MyMedR

ISH ADA-04 TRANSCRIPTOME PATHWAY ANALYSIS OF AUTONOMOUS AND PHYSIOLOGICAL ALDOSTERONE-PRODUCING HUMAN TISSUE

Zhou J, Lam B, Neogi S, Yeo G, Azizan E, Brown M

J Hypertens, 2016 Sep;34 Suppl 1 - ISH 2016 Abstract Book:e40.

Primary aldosteronism (PA) is the most common type of secondary hypertension occurring in ∼10% of hypertensive patients. Up to 50% of PA is caused by aldosterone-producing adenomas (APA). This study is to identify the potential biological processes and canonical pathways involved with aldosterone regulation, APA formation, or APA and ZG cell functions.

Matched MeSH terms: Adenoma; Adrenocortical Adenoma

Fulltext Pleomorphic adenoma of the trachea

Ashwaq AM, Sani A

Med J Malaysia, 2007 Jun;62(2):162-3.

PMID: 18705454 MyJurnal

Primary tracheal tumors are very rare. Pleomorphic adenoma is rarely found in the trachea, despite being the most common histological form of salivary gland neoplasm. We present a case of pleomorphic adenoma of the trachea. Bronchoscopic excision using cold instruments resulted in apparently normal tracheal mucosa.

Matched MeSH terms: Adenoma, Pleomorphic/diagnosis*; Adenoma, Pleomorphic/pathology; Adenoma, Pleomorphic/surgery

Fulltext Pigmented 'black' adenoma: a rare cause of Conn's syndrome

Saladina, J.J., Rohaizak, M., Jasmi, A.Y., Sellymiah, A., Aishah, M.A.S., Das, S., et al.

JUMMEC, 2011;14(1):23-25.

MyJurnal

Presence of a hypofunctioning pigmented adenoma are commonly asymptomatic and is usually only found during an autopsy. In contrast, hyperfunctioning pigmented adenoma is a rare clinical entity and in the majority of cases results in Cushing's syndrome. In this case study, we report a 66-year-old male who presented instead with the clinical and biochemical features of Conn's syndrome. On laparoscopic adrenalectomy, it was found that the tumour had a functioning black adenoma which does not usually present with Conn's syndrome but rather to that of a Cushing's. The intraoperative changes and histopathological findings are discussed.

Matched MeSH terms: Adenoma; Adrenocortical Adenoma

Fulltext A review of functional pancreatic neuroendocrine tumors: Exploring the molecular pathogenesis, diagnosis and treatment

Alshareefy Y, Cummins S, Mazzoleni A, Sharma V, Guggilapu S, Leong AWY, et al.

Medicine (Baltimore), 2023 Nov 17;102(46):e36094.

PMID: 37986400 DOI: 10.1097/MD.0000000000036094

Pancreatic neuroendocrine tumors (PanNETs) are a rare subtype of pancreatic cancer and can be divided into functional (30-40%) and nonfunctional subtypes. The different subtypes of functional PanNETs (F-PanNETs) have a variety of classical presentations that raise suspicion for an underlying PanNET. It is estimated that 90% of PanNETs are sporadic, and the PI3K-Akt-mTOR and ATRX/DAXX signaling pathways have been recognized as key genetic pathways implicated in the pathogenesis. The other 10% of PanNETs may occur in the context of familial cancer syndromes such as MEN1. Chromogranin A is the most useful biomarker currently; however, several studies have shown limitations with its use, especially its prognostic value. Synaptophysin is a novel biomarker which has shown promising preliminary results however its use clinically has yet to be established. Blood tests assessing hormone levels, cross-sectional imaging, and endoscopic ultrasound remain at the core of establishing a diagnosis of F-PanNET. The treatment options for F-PanNETs include surgical methods such as enucleation, systemic therapies like chemotherapy and novel targeted therapies such as everolimus. The prognosis for F-PanNETs is more favorable than for nonfunctional PanNETs, however metastatic disease is associated with poor survival outcomes. Researchers should also focus their efforts on identifying novel pathways implicated in the pathogenesis of F-PanNETs in order to develop new targeted therapies that may reduce the need for surgical intervention and on the establishment of novel biomarkers that may reduce the need for invasive testing and allow for earlier detection of F-PanNETs.

Matched MeSH terms: Adenoma, Islet Cell*

Risk of colorectal adenomas in a multiethnic Asian patient population: race does not matter

Rajendra S, Ho JJ, Arokiasamy J

J Gastroenterol Hepatol, 2005 Jan;20(1):51-5.

PMID: 15610446

Ethnic differences have been reported for colorectal polyps and large bowel cancer; although the supporting data is weak and insufficient to draw firm conclusions.

Matched MeSH terms: Adenoma/epidemiology*; Adenoma/pathology

Fulltext Primary hyperparathyroidism--a surgical review of 12 cases

Meah FA, Tan TT, Taha A, Khalid BA

Med J Malaysia, 1991 Jun;46(2):144-9.

PMID: 1839418

Twelve cases of primary hyperparathyroidism operated by the Universiti Kebangsaan Malaysia Surgical Team from 1978 to 1989 were reviewed. There was a preponderance of Indian females in this series. The majority of the cases presented late and with complications. Renal calculi and bone disease were the commonest complications noted. Of the 12 patients, 9 had single parathyroid adenoma of which 4 were ectopically located, and 2 had hyperplasia of the parathyroids. These were all successfully operated. The remaining patient had 2 failed neck explorations. Failure at initial exploration was due to ectopic location of the glands. Meticulous surgical technique, knowledge of the anatomical variations of location of the parathyroid glands and availability of frozen section facility are essential for successful outcome.

Matched MeSH terms: Adenoma/diagnosis; Adenoma/surgery

Benign chondroid syringoma of the orbit: an atypical location

Yap JF, Madatang A, Hanafi H

Orbit, 2020 Apr;39(2):135-138.

PMID: 31023118 DOI: 10.1080/01676830.2019.1604766

A 31-year-old male with no known medical illness presented with painless left eye protrusion for the past 2 years. Radiographic features were of an extraconal superior orbital mass with no invasion of adjacent structures. The patient underwent an excisional biopsy of the left superior extraconal mass a week later. The histopathological examination revealed a well-circumscribed lobulated mass with chondroid and myxoid stroma enveloping benign bland-appearing epithelial and myoepithelial cells. These pathological features were consistent with benign chondroid syringoma of the orbit. The patient had an uneventful recovery with no active ocular complaint post-operatively.Despite chondroid syringoma of the orbit being a rare tumour, it should be considered in the differential diagnosis of periorbital masses. Excision of the tumour remains the treatment of choice with histopathological examination as the gold standard of diagnosis. Regular follow-up is warranted in view of possible local recurrence or metastasis.

Matched MeSH terms: Adenoma, Pleomorphic/pathology; Adenoma, Pleomorphic/surgery*

Eccrine cylindroma of the ear canal--report of a case

Sharma HS, Meorkamal MZ, Zainol H, Dharap AS

J Laryngol Otol, 1994 Aug;108(8):706-9.

PMID: 7930929

Eccrine cylindroma is a benign tumour arising from sweat glands in the skin. It favours the face, forehead and scalp involving the turban area and hence is called a turban tumour. Amongst a variety of tumours originating from adnexal skin structures, which may appear in the ear canal, eccrine cylindroma forms a very rare entity. We present such a case and discuss its pathological and clinical features.

Matched MeSH terms: Adenoma/pathology*

[OP.3A.01] THE COMPARISON OF THE TRANSCRIPTOME PROFILE OF THE AUTONOMOUS AND THE PHYSIOLOGICAL ALDOSTERONE-PRODUCING TISSUE, THE ALDOSTERONE-PRODUCING ADENOMA AND THE ZONA GLOMERULOSA

Zhou J, Lam BY, Neogi SG, Yeo GS, Teo AE, Maniero C, et al.

J Hypertens, 2016 Sep;34 Suppl 2:e26.

PMID: 27508643 DOI: 10.1097/01.hjh.0000491398.48468.bf

Primary aldosteronism (PA) is the most common type of secondary hypertension occurring in ∼10% of hypertensive patients. Up to 50% of PA is caused by aldosterone-producing adenomas (APA). We recently performed a microarray assay using 21 pairs of zona glomerulosa (ZG) and zona fasciculata (ZF), and 14 paired APAs. This study is to identify the potential biological processes and canonical pathways involved with aldosterone regulation, APA formation, or APA and ZG cell functions.

Matched MeSH terms: Adenoma; Adrenocortical Adenoma

Treatment of pituitary adenomas: a study of 66 cases

Arumugasamy N, Lestina FA, Bucy PC

Med J Malaya, 1971 Sep;26(1):3-14.

PMID: 4258574

Matched MeSH terms: Adenoma/therapy*

Syringocystadenoma papelliferum

Dutt AK

Med J Malaya, 1969 Jun;23(4):296-7.

PMID: 4310351

Matched MeSH terms: Adenoma, Sweat Gland*

The distinctive features of the tumours of the salivary glands in Malaya

MARSDEN AT

Br. J. Cancer, 1951 Dec;5(4):375-81.

PMID: 14904833

Matched MeSH terms: Adenoma, Pleomorphic*

A SWEAT GLAND TUMOUR OF THE MIXED-SALIVARY TYPE OF THE RIGHT MIDDLE TOE

KHOO TK, TZE KB

Med J Malaysia, 1964 Dec;19:128-33.

PMID: 14279235

Matched MeSH terms: Adenoma, Pleomorphic*

Fulltext Recurrent cavernous sinus thrombosis: a rare complication of Cushing disease

Tong CV, Tee CK

BMJ Case Rep, 2021 Jun 22;14(6).

PMID: 34158336 DOI: 10.1136/bcr-2021-243786

A 14-year-old girl who presented in 2017 with headache, unilateral right eye ptosis and secondary amenorrhoea had an initial workup consistent with non-functioning pituitary macroadenoma. She underwent debulking of pituitary tumour in October 2017. Postoperatively, she developed recurrent cavernous sinus thrombosis. In view of recurrent thrombosis, she was reinvestigated and was found to have adrenocorticotropic hormone-dependent Cushing. Follow-up MRI 1 year after initial presentation showed that there was structural recurrence of pituitary macroadenoma. She subsequently underwent a petrosal craniotomy for debulking of tumour. Postsurgery she remained biochemically Cushingnoid. MRI 5 months after second surgery showed an enlarging pituitary mass which was deemed inoperable. A multidisciplinary meeting discussion consensus for treatment included radiotherapy and somatostatin analogue, pasireotide. She completed 30 cycles of radiotherapy and MRI post radiotherapy showed reduction in the size of the macroadenoma. Currently, she is waiting for pasereotide initiation.

Matched MeSH terms: Adenoma*

Fulltext Syringocystadenoma papilliferum arising in a naevus sebaceous

Faheem NAA, Kwan Z, Yong ASW, Ch'ng CC, Tan KK, Naicker M, et al.

Malays J Pathol, 2019 Apr;41(1):47-49.

PMID: 31025637

Naevus sebaceus is a cutaneous hamartoma with the potential of developing into benign or malignant neoplasms. Syringocystadenoma papilliferum (SCAP) have been reported to originate from naevus sebaceus. SCAP is a rare, benign adnexal skin tumour of apocrine or eccrine type of differentiation which typically presents as a nodule or a plaque on the scalp or face. We report a case of syringocystadenoma papilliferum arising in an undiagnosed pre-existing naevus sebaceus in a 56-year-old female.

Matched MeSH terms: Adenoma, Sweat Gland

A systematic review and meta-analysis of immunohistochemical biomarkers that differentiate chromophobe renal cell carcinoma from renal oncocytoma

Ng KL, Morais C, Bernard A, Saunders N, Samaratunga H, Gobe G, et al.

J Clin Pathol, 2016 Aug;69(8):661-71.

PMID: 26951082 DOI: 10.1136/jclinpath-2015-203585

Numerous immunohistochemical (IHC) biomarkers have been employed to aid in the difficult differentiation between chromophobe renal cell carcinoma (chRCC) and renal oncocytoma (RO). A systematic review and meta-analysis of the published literature was carried out to summarise and analyse the evidence for discriminatory IHC biomarkers to differentiate the two entities.

Matched MeSH terms: Adenoma, Oxyphilic/diagnosis*; Adenoma, Oxyphilic/metabolism; Adenoma, Oxyphilic/pathology

Fulltext Hepatic Adenomatosis: Diagnosis and Management Dilemma

Norly, S., Razman, J.

International Medical Journal Malaysia, 2010;9(2):59-61.

MyJurnal

Hepatic adenomatosis is a rare, benign tumour of the liver. It was ﬁrst described by Flejou et al as multiple adenomas in an otherwise normal liver parenchyma. Although benign, it can present as a diagnostic
challenge because the lesions can be difﬁ cult to distinguish from other hepatic tumours. Patients can be
asymptomatic and the diagnosis may only be made incidentally. We describe the case of 40-year-old Malay lady who was incidentally found to have hepatomegaly. Radiological examinations revealed a complex left ovarian cyst with multiple liver lesions. Biopsy of the liver lesion showed features of hepatic adenomatosis. Literature review was done and the dilemma in managing her was discussed.

Matched MeSH terms: Adenoma

Fulltext Carcinoma ex pleomorphic adenoma: a case report and review of literature

Khanna D, Chaubal T, Bapat R, Abdulla AM, Philip ST, Arora S

Afr Health Sci, 2019 Dec;19(4):3253-3263.

PMID: 32127904 DOI: 10.4314/ahs.v19i4.50

Background: Carcinoma ex pleomorphic adenoma (CA-ex-PA) is extremely unusual in minor salivary glands of oral cavity. CAex-PA is a carcinomatous change as a primary or as a recurrence of pleomorphic adenoma.

Objective: Due to resemblance of clinical symptoms of Ca ex PA and benign pleomorphic adenoma, it is mandatory for surgeons to keep high degree of clinical alertness, considering the peculiarity of this tumor.

Case Report: 54-year-old male presented with swelling on left side in the pre-auricular region from the middle of zygomatic arch to mastoid process and from tragus of the ear up to angle of mandible. Fine needle aspiration cytology revealed a mixture of benign and malignant components. Total left parotidectomy with left radical neck dissection followed by reconstruction with cervicodeltopectoral flap was performed. Combination of chemotherapy and radiotherapy were given to patient. Histologic examination and pre-operative fine needle aspiration cytology confirmed the diagnosis of Carcinoma ex pleomorphic adenoma (CA-ex-PA). Two-year follow-up of patient showed no recurrence of the lesion.

Conclusion: Due to the similarity in the clinical symptoms of CA-ex-PA and benign pleomorphic adenoma, it is vital that clinicians maintain a high degree of clinical vigilance, considering the oddity of this malignancy.

Matched MeSH terms: Adenoma, Pleomorphic/diagnosis*; Adenoma, Pleomorphic/physiopathology; Adenoma, Pleomorphic/surgery*

Fulltext Nodular fasciitis: a diagnostic dilemma

Mallina S, Rosalind S, Philip R, Harvinder S, Gurdeep S, Sabaria MN

Med J Malaysia, 2007 Dec;62(5):420-1.

PMID: 18705482 MyJurnal

A 65 year old man presented with a right upper cervical mass. A diagnosis of pleomorphic adenoma was reported on fine needle aspiration cytology (FNAC). CT scan however reported an intramuscular sternocleidomastoid swelling. The tumor was excised and a diagnosis of nodular fasciitis was made. It is important to be aware of this diagnosis and that FNAC reports may mimic that of a pleomorphic adenoma.

Matched MeSH terms: Adenoma, Pleomorphic/diagnosis

Fulltext Primary liver cancer in Malaysian children

Sinniah D, Sumithran E, Lin HP, Chan LL, Toh CK

Med J Malaysia, 1980 Mar;34(3):265-8.

PMID: 6251351

The high incidence of primary liver cancer in Malaysian males is not observed in childhood, where it constitutes 0.16 per 1000 paediatric hospital admissions and 3.20/0 of all childhood malignancies at the University Hospital, Kuala Lumpur. This frequency is comparable to that reported from several developed countries. The commonest liver tumour in children is the hepatoblastoma which is probably of embryonal origin and has a similar world wide "incidence. The relative infrequency of hepatocellular carcinoma in childhood and its association with cirrhosis, the hepatitis B antigen and its prevalence in the older age group helps to substantiate an acquired environmental aetiology.

Matched MeSH terms: Adenoma, Bile Duct/epidemiology*

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