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Fulltext Melioidosis Prostatic Abscess: Clinical Presentation and Imaging Findings

Razali, M.R., Amran, A.R., How, S.H., Ng, T.H., Aminuddin, C.A., Jamalludin, A.R.

International Medical Journal Malaysia, 2008;7(1):0-0.
MyJurnal

Introduction: Melioidosis, an infection caused by Burkholderia pseudomallei is endemic in South East Asia and Northern Australia. It can affect many organs in the body such as lung, liver, spleen, bone, prostate, brain and soft tissues. Objective: This study aims to detect the presence of prostatic abscess in patients with a positive blood culture for Burkholderia pseudomallei with computed tomography (CT) of the abdomen and pelvis and to correlate it with the clinical presentation. Materials and Methods: This is a prospective observational study conducted in all melioidosis patients who had CT scan of the abdomen and pelvis. The location and size of any focal lesions seen on CT were recorded. Clinical data such as fever and urinary symptoms were also recorded. Results: 15 patients had CT scan of the abdomen and pelvis. Five patients were diagnosed to have prostatic abscess. Out of the five patients, only two had urinary symptoms. The other three had prolonged high grade fever without any urinary symptoms. Conclusions: Melioidosis prostatic abscess is not uncommon in patients with positive blood culture of Burkholderia Pseudomallei (33% in this series). Most patients do not present with any urinary symptoms.

Matched MeSH terms: Tomography, X-Ray Computed
Fulltext PET-CT imaging in non-small cell lung carcinoma – a review of cases from a northern Malaysia referral centre

Bing, Joni Fei Teoh, Paniandi, Vikneswary, Fadzilah Hamzah, H., Mohamed Ali Abdul Khader, Loh, Li-Cher

International e-Journal of Science, Medicine & Education, 2008;2(2):23-26.
MyJurnal

Background: Positron Emission Tomography and Computed Tomography (PET-CT) imaging is shown to influence a decision change in managing non-small cell lung carcinoma (NSCLC). The introduction of such a facility in Malaysia is relatively recent, and its impact from its utility is currently being assessed.
Aim: In a tertiary referral centre possessing the only PET-CT facility in northern Peninsular Malaysia, we evaluated the potential roles of PET-CT in referred patients with non-small cell lung carcinoma.
Methodology: Sixty eligible adult cases with NSCLC, between September 2005 and December 2007, were retrospectively reviewed. Relevant data was collected using standard questionnaire for indications, staging of disease, and outcomes in terms of recurrence and response to prescribed cancer-specific therapy.
Results: The indications for PET-CT were: staging of a newly diagnosed non-small cell lung carcinoma (25.0%); post-operative restaging (21.7%); exclusion of recurrence or metastasis (18.3%); establishing diagnosis of carcinoma (13.3%); assessment of response to treatment (11.7%), and for surveillance (10.0%). The use of PET-CT was shown to induce a change in the staging, compared with non-PET conventional means in 69.2% of patients with newly diagnosed lung carcinoma (upstaged in 55.5%; downstaged in 44.5%) and in 65.0% of patients who underwent cancer-specific treatments (upstaged in 38.5%; downstaged in 61.5%). PET-CT detected recurrence in 62.5% who underwent the imaging to exclude a recurrence or metastasis.
Conclusion: PET-CT has affected the staging of a large proportion of our local Malaysian patients. Like elsewhere, the availability of such a facility is likely to have important influence in overall management of NSCLC in Malaysia.

Matched MeSH terms: Tomography, X-Ray Computed
Fulltext Frontal mucocele masked as upper lid abcess- a case report

Ng, WL, Umi Kalthum MN, Jemaima CH, Norshamsiah MD

Journal of Surgical Academia, 2016;6(1):43-45.
MyJurnal

Frontal mucocele is not commonly masked as upper lid abscess.A 72-year-old Chinese man with underlying hyperthyroidism complained of left upper eyelid swelling of 6 months duration. The swelling had persisted and worsen when intravenous antibiotic was changed oral type. Visual acuity on presentation was hand motion and reverse relative afferent pupillary defect was present. Because the swelling was large and resulted in mechanical ptosis and ophthalmoplegia, a CT imaging was performed, which showed huge left frontal mucocele eroding the supereromedial orbital rim. The left globe was displaced inferolaterally but there was no extension into brain parenchyma. Fundus examination showed pale optic disc with dull macula. Old laser marks were seen at peripheral fundus. Referral to ortholaryngologist was made and endoscopic sinus surgery and evacuation of mucopyocoele was done. Culture and sensitivity of the fluid showed no organism. He recovered well postoperatively with additional two weeks of antibiotics. We highlight the necessity of surgical drainage of mucocele, following a course of antibiotic.

Matched MeSH terms: Tomography, X-Ray Computed
Fulltext The hidden salmon patch: ocular lymphoma mistaken as Vogt Koyanagi disease

Nazima SA, Muhaya M, Kok, HS, Hazlita MI

Journal of Surgical Academia, 2016;6(1):46-50.
MyJurnal

Ocular inflammation from various causes may have similar clinical presentation thus careful clinical evaluations are mandatory particularly when the disease appear to be resistant to treatment. This paper reports a case of ocular lymphoma which was initially treated as Vogt Koyanagi Harada disease at a different centre. A 65-year-old Sudanese man complained of gradual worsening left eye vision. Careful ocular and slit lamp examination revealed a conjunctival lesion with choroidal infiltration as well as exudative retinal detachment. Computed tomography scan (CT scan) showed left eye axial proptosis, and a homogenous enhancing mass at the posterior coat of the globe. Tissue biopsy of the conjunctival lesion revealed marginal Zone B cell (MALT type), low grade, non-Hodgkin’s lymphoma. AS the ocular signs and symptoms progressed, chemotherapy was initiated. The proptosis, exudative retinal detachment, disc hyperemia and swelling improved after chemotherapy. The post treatment CT scan showed reduction of the posterior ocular coat mass. The possibility of malignant lymphoma should be considered in patients with resistant uveitis despite administration of corticosteroid. Ocular lymphoma is an indolent tumour with good prognosis. Careful ocular examination, adequate imaging studies followed by early surgical biopsy will contribute to early diagnosis.

Matched MeSH terms: Tomography, X-Ray Computed
Fulltext Memantine augmentation in the treatment of frontal lobe syndrome in patients with end-stage renal disease: a case report

Aida Abdul Razak, Maniam, T., Hatta Sidi, Shalisah Sharip, Suriati Mohamed Saini

ASEAN Journal of Psychiatry, 2014;15(1):93-96.
MyJurnal

Objective: This case report highlights the challenges in managing Frontal Lobe Syndrome (FLS) in a patient with end-stage renal disease. Methods: This is a case description of a 58 year-old gentleman who presented with behavioural changes: irritability, mood lability, aggression, psychosis, and overfamiliarity. His presenting symptoms were in keeping with (FLS) with positive findings on Computed Tomography (CT) scan of the brain and also neuropsychological assessments. Difficulties arose in attempts to control his aggression without further compromising his renal function. Results: The usage of the commonly used antipsychotics in controlling aggression was restricted in view of the patient’s renal impairment. Augmentation with low dose memantine proved to be beneficial in this case, without causing further deterioration in renal function. Conclusion: The use of memantine to augment the effect of risperidone was observed to be safe and successful in managing the behavioural changes associated with FLS in adults with end-stage renal disease. ASEAN Journal of Psychiatry, Vol. 15 (1): January - June 2014: 93-96.

Matched MeSH terms: Tomography, X-Ray Computed
Fulltext Anaplastic Large Cell Lymphoma Presenting as a Soft Tissue Mass – A Case Report

Siti-Aishah, M.A., Salwati, S., Idrus, M., Rahimah, R., Salmi, A., Leong, C.F., et al.

Medicine & Health, 2008;3(1):69-74.
MyJurnal

Anaplastic large cell lymphoma (ALCL) is a rare tumour, accounting for approximately 3% of adult non-Hodgkin lymphomas.1 Primary systemic ALCL frequently involves both lymph nodes and extranodal sites. A 44-year-old woman presented with a firm, mobile mass in the left iliac fossa region. Ultrasound findings showed a well defined inhomogenous soft tissue mass, measuring 4x4x2.6cm in the deep subcutaneous region. Histopathological examination revealed that the mass was infiltrated by large lymphoid cells with marked nuclear atypia including kidney-shaped nuclei. These neoplastic cells expressed anaplastic lymphoma kinase (ALK) (both nuclear & cytoplasmic staining), CD30 and EMA but not for T-cell (CD45RO and CD3), and B-cell (CD20 & CD79α) markers. Fluorescence in situ hybridization (FISH) analysis showed a t(2;5)(p23;q35) chromosomal translocation. Subsequently the patient developed shortness of the breath and a thoracic computed tomography (CT) scan showed a mass encasing the right upper lobe bronchus. She also had bilateral axillary lymph nodes, measuring 1 cm in diameter (biopsy was not done). The mediastinum and endobronchial region did not show any abnormalities. She received 6 cycles of CHOP chemotherapy and remained disease free 2 years after diagnosis. ALCL, rarely present as a soft tissue tumour and this disease should be included as a differential diagnosis of any soft tissue mass.

Matched MeSH terms: Tomography, X-Ray Computed
Successful resection of a giant thoracic myxoid liposarcoma

Pui WC, Ling WHY, Najah M, Soon SY

Asian Cardiovasc Thorac Ann, 2018 Jun;26(5):410-412.
PMID: 29667901 DOI: 10.1177/0218492318772763

Primary liposarcoma is an extremely rare disease. We report a case of giant thoracic myxoid liposarcoma that occupied the whole left hemithorax and was successfully resected. We discuss the surgical considerations and difficulties encountered, and how we overcome these challenges. This is the third largest thoracic myxoid liposarcoma resection reported, weighing 4 kg.

Matched MeSH terms: Tomography, X-Ray Computed
Fulltext Multiple cavitating pulmonary nodules secondary to Hodgkin's lymphoma

Abdul Azih, M.N., Hin, H.S., Kori, A.N., Rahman, A.A., Chunn, K.Y.

International Medical Journal Malaysia, 2017;16(2):129-131.
MyJurnal

We report a 26-year old lady who presented with chronic cough and breathlessness associated with subtle
TB symptoms for 1 year. Her CT thorax showed multiple cavitating pulmonary nodules with mediastinal and
cervical lymphadenopathy. Cervical lymph node biopsy and CT-guided pulmonary biopsy at our centre
confirmed the diagnosis of Hodgkin’s lymphoma with pulmonary infiltrations. She was successfully treated
with ABVD regime but later developed life-threatening bleomycin-induced pulmonary fibrosis. Sadly, she
succumbed to respiratory failure due to severe pneumonia with possibility of bleomycin-induced pulmonary
fibrosis. Multiple cavitating pulmonary nodules secondary to lymphoma is rare and in TB endemic area, it
may result in delayed diagnosis and treatment.

Matched MeSH terms: Tomography, X-Ray Computed
Ocular myasthenia gravis and idiopathic orbital inflammatory disease: double the trouble!

Sharudin SN, Govindasamy G, Mohamad NF, Kanesalingam R, Vasudevan SK

Can J Ophthalmol, 2018 04;53(2):e55-e58.
PMID: 29631841 DOI: 10.1016/j.jcjo.2017.07.024
Matched MeSH terms: Tomography, X-Ray Computed
Biomechanical investigation on the influence of the regional material degeneration of an intervertebral disc in a lower lumbar spinal unit: A finite element study

Masni-Azian, Tanaka M

Comput Biol Med, 2018 07 01;98:26-38.
PMID: 29758454 DOI: 10.1016/j.compbiomed.2018.05.010

Intervertebral disc degeneration involves changes in its material properties that affect the mechanical functions of the spinal system. However, the alteration of the biomechanics of a spinal segment through specific material degradation in a specific region is poorly understood. In this study, the influence of the constitutive material degeneration of disc tissues on the mechanics of a lower lumbar spinal unit was examined using a three-dimensional nonlinear finite element model of the L4-L5 functional spinal unit. Different grades of disc degeneration were simulated by introducing a degeneration factor to the corresponding material properties to represent fibrous nucleus, increased fibre and ground substance laxity, increased fibre stiffness and total annular fracture along posterior and posterolateral regions. The model was loaded with an axial compression of 500 N and pure moments of up to 10 Nm to simulate extension, flexion, lateral bending and axial rotation. To validate the model, the spinal motion and intradiscal pressure of healthy and degenerated discs with existing in vitro data were compared. The disc with a fibrous nucleus and the presence of intradiscal pressure increase the spinal instability during flexion and axial rotation, and the absence of intradiscal pressure increases the spinal instability in all directions. Bulging displacement and shear strains in the disc with total fracture and ground substance laxity are high in all of the loading cases. Our study could provide useful information to enhance our understanding of the influence of each constitutive component of the intervertebral disc on the mechanics of the spinal segment.

Matched MeSH terms: Tomography, X-Ray Computed
Fulltext Cerebral venous thrombosis in evan’s syndrome: an unusual presentation

Cheng, M.H., Norzila, T.A.B.

International Medical Journal Malaysia, 2016;15(2):85-87.
MyJurnal

Cerebral Venous Thrombosis in patients with Evan’s Syndrome of autoimmune hemolytic anemia is rare. The
common neurological symptoms are headaches, vision loss, dyslexia without agraphia, motor aphasia,
unilateral upper limb weakness and papilloedema. We present a case report of a lady with a known case of
Evan’s Syndrome whom presented with severe anemia and unilateral right sided hemiparesis with right facial
weakness. Plain and Contrast enhanced CT brain showed bilateral high parietal white matter edema with
venous thrombosis in the right transverse and superior sagittal venous sinuses. At the time of the diagnosis,
she was in hematological remission.

Matched MeSH terms: Tomography, X-Ray Computed
A Massive Hemothorax in a Pregnant Woman: Role of Interventional Radiology

Md Noh MSF, Abdul Rashid AM, Abdul Rahim E

J Bronchology Interv Pulmonol, 2018 07;25(3):e30-e32.
PMID: 29944591 DOI: 10.1097/LBR.0000000000000456
Matched MeSH terms: Tomography, X-Ray Computed
Neck stiffness in a post-irradiated nasopharyngeal carcinoma adult: An unusual diagnosis

Lorna Ting KN, Liew YT, Abu Bakar Z, Narayanan P

Auris Nasus Larynx, 2019 Jun;46(3):469-473.
PMID: 30049634 DOI: 10.1016/j.anl.2018.07.002

Nasopharyngeal carcinoma is a neoplasm commonly found in population of South East Asia. The mainstay of treatment is high dose irradiation. Complications from radiotherapy are not uncommon especially to those nearby structures such as vertebrae and spinal cord. A 57 year-old gentleman with nasopharyngeal carcinoma (NPC) who was treated with chemo-radiation (total of 35 fractions,70Gy) presented to us 6 months post therapy with bilateral nasal discharge and progressive neck stiffness. Nasoendoscopy showed inflamed nasophayngeal mucosa and Computed Tomography (CT) brain and cervical spine showed retropharyngeal and anterior epidural collection with extension into atlantoaxial bone and spinal cord compression. Histopathological specimen revealed features of chronic inflammations with multiple actinomycetes colonies. Our patient suffered severe neck stiffness and loss of sensations on both upper limbs. He was treated conservatively with Halo vest and intravenous antibiotics for 8 weeks and recovered fully. Irradiation in NPC is known to cause devastating complications to cervical spine such as osteoradionecrosis, osteomyelitis. It also renders tissues hypoxic and risk of getting rare infection like actinomycosis. This report can represent a great diagnostic and therapeutic challenge with differentials of tumor recurrence, osteoradionecrosis or osteomyelitis. Patients must be regularly followed up to look for possible cervical complications as a result from irradiation, to prevent devastating outcome or prognosis.

Matched MeSH terms: Tomography, X-Ray Computed
Fulltext Post dental extraction basal skull osteomyelitis with cranial nerve palsy

Tan, Ciang Sang, Haiza Hani Hamidon, Zainah Shaikh Hedra

Malaysian Journal of Paediatrics and Child Health, 2016;22(101):0-0.
MyJurnal

Background: A 9 year old boy presented with history of persistent headache and recurrent vomiting for 1 month post dental extraction. CT brain was performed for the possibility of space occupying lesion but it was normal. Subsequently, he was treated as migraine after exclusion of meningitis and intracranial lesion. Unfortunately, he developed 3rd, 4th and 6th cranial nerve palsy two weeks later. Repeated CT brain showed subtle finding and inconclusive. MRI brain performed at the time showed features suggestive of basal skull osteomyelitis with congestion of right orbit and optic nerve swelling. Case was referred to Paediatric Neurologist and he was diagnosed to have cranial nerve palsy secondary to basal skull osteomyelitis, post dental extraction.

Conclusion: Dental procedure is common among children, however basal skull osteomyelitis with cranial nerve palsy is a rare complication. Adequate treatment of dental infection post dental procedure is important to prevent this complication.

Matched MeSH terms: Tomography, X-Ray Computed
Fulltext One stop centre staging by contrast-enhanced 18F-FDG PET/CT in preoperative assessment of ovarian cancer and proposed diagnostic imaging algorithm: a single centre experience in Malaysia

Subapriya Suppiah, Andi Anggeriana Andi Asri, Fathinul Fikri Ahmad Saad, Hasyma Abu Hassan, Norhafizah Mohtarrudin, Chang, Wing Liong, et al.

Malaysian Journal of Medicine and Health Sciences, 2017;13(2):29-37.
MyJurnal

Introduction: Suspicious adnexal masses need to be investigated thoroughly as it may represent ovarian cancer, which is the fourth most common gynaecological cancer in Malaysia. Conventional cross sectional imaging may reveal non-specific findings, thus lead to unnecessary biopsies. 18F-Fluorodeoxyglucose positron emission tomography/ computed tomography (18F-FDG PET/CT) has emerged as a useful tool, for characterization of indeterminate adnexal masses. Most studies have been conducted in Western population, and little information is available in Asian population in general and Malaysian population in particular. Methods: Prospective study of women with suspicious adnexal masses, referred to the Centre for Nuclear Diagnostic Imaging, Universiti Putra Malaysia to undergo pre-operative whole-body contrast-enhanced 18F-FDG PET/CT scans from January 2014 to January 2016. Subjects underwent Contrast-Enhanced Computed Tomography (CECT) scans followed by positron emission tomography (PET) scans using a hybrid scanner. Two radiologists analyzed the CECT and PET/CT images by consensus; blinded to the HPE results. Then the PET/CT findings were correlated with HPE results as the gold standard. Results: 11 whole-body PET/CT scans and 18 adnexal masses (12 HPE-proven malignant lesions and 6 benign lesions) were analyzed. The sensitivity, specificity, PPV, and NPV of CECT alone compared to PET/CT was 91.7%, 50.0%, 78.6%, and 75.0% vs. 91.7%, 100%, 100% and 85.7% respectively. Conclusions: Improved diagnostic accuracy for characterizing benign and malignant adnexal masses can be achieved using contrast-enhanced 18F-FDG PET/CT, making it a potential investigation of choice which can help in treatment planning.

Matched MeSH terms: Tomography, X-Ray Computed
Major tracheobronchial injuries: Management of two rare cases

Huei TJ, Lip HTC, Rahmat O

Med J Malaysia, 2018 06;73(3):177-179.
PMID: 29962504 MyJurnal

Tracheobronchial injuries are uncommon and a high level of suspicion is needed for immediate diagnosis and prompt treatment. In this case series, two rare cases of tracheobronchial injuries is described showing variable clinical presentations with different levels of injury. Our first case was seen in a 20 years old male whom had a direct impact on the neck and presented with upper tracheal injury. On arrival, this patient was in respiratory distress and had bilateral pneumothorax. Bilateral chest tube was inserted with subsequent neck exploration. During the neck exploration, anastomosis of the injured trachea was performed. The second case was represented by a 35 years old man with right main bronchial injury. Upon initial presentation, this patient appeared well and was comfortable under room air. However he gradually deteriorated one week after the trauma requiring surgical intervention. Eventually a thoracotomy with primary anastomosis of the bronchial tear was performed. Details of both cases including clinical presentation, imaging and procedures done will be discussed in this article.

Matched MeSH terms: Tomography, X-Ray Computed
Giant Intradiverticular Bladder Tumor

Md Noh MS, Abdul Aziz AF, Mohd Ghani KA, Lee Kheng Siang C, Yunus R, Mohd Yusof M

Am J Case Rep, 2017 Mar 01;18:212-216.
PMID: 28246375

BACKGROUND Intradiverticular bladder tumors are rare. This renders diagnosis of an intradiverticular bladder tumor difficult. Imaging plays a vital role in achieving the diagnosis, and subsequently staging of the disease. CASE REPORT A 74-year-old male presented to our center with a few months history of constitutional symptoms. Upon further history, he reported hematuria two months prior to presentation, which stopped temporarily, only to recur a few days prior to coming to the hospital. The patient admitted to having lower urinary tract symptoms. However, there was no dysuria, no sandy urine, and no fever. Palpation of his abdomen revealed a vague mass at the suprapubic region, which was non tender. In view of his history and the clinical examination findings, an ultrasound of the abdomen and computed tomography (CT) was arranged. These investigations revealed a giant tumor that seemed to be arising from a bladder diverticulum, with a mass effect and hydronephrosis. He later underwent operative intervention. CONCLUSIONS Intradiverticular bladder tumors may present a challenge to the treating physician in an atypical presentation; thus requiring a high index of suspicion and knowledge of tumor pathophysiology. As illustrated in our case, CT with its wide availability and multiplanar imaging capabilities offers a useful means for diagnosis, disease staging, operative planning, and follow-up.

Matched MeSH terms: Tomography, X-Ray Computed
Abdominal wall necrotising fasciitis: A rare but devastating complication of the percutaneous endoscopic gastrostomy procedure

Mohd Said MR, Abdul Rani R, Raja Ali RA, Ngiu CS

Med J Malaysia, 2017 02;72(1):77-79.
PMID: 28255151 MyJurnal

Percutaneous Endoscopic Gastrostomy (PEG) tubes were often offered to patients requiring long term enteral feeding. Even though the procedure is relatively safe, it is associated with various complications such as peritonitis or even death.1 We presented a case of a 54-year-old gentleman with underlying ischemic stroke and pus discharges from a recently inserted PEG tube. Computed Topography (CT) scan confirmed abdominal wall necrotising fasciitis complicated with hyperosmolar hyperglycaemia state (HHS) and later succumbed after 48 hours of admission. Our case illustrated the rare complication related to the insertion of PEG tube; abdominal wall necrotising fasciitis that was associated with mortality.

Matched MeSH terms: Tomography, X-Ray Computed
Fulltext Loculated transudative pleural effusion masquerading as right upper lobe consolidation in a haemodialysis patient

Kho SS, Tay PS, Lee J, Tie ST

AME Case Rep, 2017;1:4.
PMID: 30263991 DOI: 10.21037/acr.2017.09.05

Pleural effusion is a common encounter in renal failure patients and frequently possess a diagnostic challenge to clinician especially when it was exudative. Fortunately, transudative pleural effusion secondary to fluid overload remains the commonest cause of pleural effusion in haemodialysis patients. Frequent thoracocentesis enhance pleural inflammation and potentially complicate further this challenging clinical presentation. We report a middle-aged gentleman with advanced chronic kidney disease presented with dyspnea and new right upper lobe consolidation on chest roentograph. He had a history of recurrent bilateral pleural effusion secondary to fluid overload and hence multiple attempts of thoracocentesis were performed. Medical thoracoscopy performed previously yielded non-specific pleuritis. Flexible bronchoscopy demonstrates normal airway with negative microbiological studies. Computed tomography (CT) of the thorax shown a loculated hypodense pleural effusion at the apical region of the right upper lobe. Ultrasound guided thoracocentesis anteriorly yield 400 mL of clear straw color fluid which was transudative by Light's criteria. Post tapping chest X-ray shown complete resolution of right upper lobe consolidation and patient reports immediate relieve of dyspnea. Patient was started on regular effective haemodialysis and pleural effusion did not recur during follow up. Loculated pleural effusion masquerading as mediastinal tumour had been reported but pleural effusion that conformed to the contour of a lung lobe is rare. This case highlights the atypical but unique presentation of a transudative pleural effusion and demonstrates the risk of repeated thoracocentesis complicating a simple clinical presentation.

Matched MeSH terms: Tomography, X-Ray Computed
A review of surgical and audiological outcomes of bonebridge at tertiary centres in Malaysia

Tang IP, Ling XN, Prepageran N

Med J Malaysia, 2018 10;73(5):276-280.
PMID: 30350804 MyJurnal

OBJECTIVES: To investigate the surgical and audiological outcome of Bonebridge (BB) at tertiary centres in Malaysia.
STUDY DESIGN: Prospective, intra-subject repeated measurements of which each subject is his/her own control, from year 2012 to 2016 at two tertiary referral centres.
METHODS: Twenty patients with hearing loss who fulfilled criteria for BB and showed good response to bone conduction hearing aid trial were included. Implantations of BB were carried out under general anaesthesia with preoperative computed tomography (CT) planning. Complications were monitored up to six months postoperatively. Subjects' audiometric thresholds for air conduction, bone conduction and sound field at frequencies of 250Hz to 8kHz were assessed preoperatively and at six months postoperatively. Subjects' satisfaction was evaluated at 6 months post operatively with Hearing Device Satisfaction Scale (HDSS) questionnaire.
RESULTS: There was no major complication reported. Mean aided sound field thresholds showed significant improvement for more than 30dB from 500 to 4000kHz (p<0.05). There was no significant change in mean unaided air conduction and bone conduction thresholds pre and post operatively from 500 to 4000kHz, with a difference of less than 5dB (p>0.05). All the patients were very satisfied (>80%) with the implant, attributing to the promising functional outcome and acceptable cosmetic appearance.
CONCLUSIONS: BB implantation surgery is safe and is effective in restoring hearing deficits among patients aged five and above with conductive or mixed hearing loss and single-sided hearing loss.

Matched MeSH terms: Tomography, X-Ray Computed

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