MyMedR

Myopathic dropped head syndrome: a syndrome of mixed aetiology

Goh KJ, Wong KT, Tan CT

J Clin Neurosci, 2000 Jul;7(4):334-6.

We report two patients with myopathic dropped head syndrome, a rare and interesting neuromuscular syndrome characterised by a predominant weakness of the neck extensor muscles. The first patient, a middle aged Chinese man, presented with progressive weakness of neck extension but his clinical course later stabilised despite a lack of response to corticosteroids. Muscle biopsy revealed a necrotising myopathy with no evidence of inflammation. This patient supports the existence of an idiopathic restricted non-inflammatory myopathy, a so called isolated neck extensor myopathy syndrome which is recognised to pursue a less progressive, more benign course. Our second patient had histopathological evidence for polymyositis; there was a favourable response to steroids. Our cases underscore the fact that there may be a spectrum of pathological processes associated with the myopathic dropped head syndrome ranging from non-inflammatory muscle necrosis to a full blown inflammatory myositis.

Matched MeSH terms: Muscle Weakness/etiology*

Fulltext An acute pharyngeal-cervical-brachial (PCB) variant of Guillain-Barre syndrome presenting with isolated bulbar palsy

Hamidon BB

Med J Malaysia, 2006 Jun;61(2):245-7.

PMID: 16898323 MyJurnal

Acute Guillain-Barre syndrome (GBS) is characterized by an acute onset of limb weakness and areflexia. There are a few rare variants that have been described and one of them is the pharyngeal-cervical-brachial (PCB) variant (oropharynx, neck, and proximal upper limb muscles). However, in this patient, the only presentation was bulbar involvement with fast recovery within days. This is likely to be the milder form of PCB that has rarely been described before. A 19-year-old Malay lady presented with progressive dysphagia associated with nasal voice for one week duration. There was no limb weakness. Examination showed generalized areflexia. Pharyngeal and palatal muscles were markedly weak. Cerebrospinal fluid (CSF) examination showed raised protein level. Nerve conduction studies revealed generalized demyelinating motor polyneuropathy consistent with GBS. The patient fully recovered within three days and was discharged well.

Matched MeSH terms: Muscle Weakness/etiology

Compressive radial neuropathy induced by 'hooking' manoeuvre in a tetraplegic person

Julia PE, Mazlina M, Nazirah H

Spinal Cord, 2011 Oct;49(10):1082-3.

PMID: 20877330 DOI: 10.1038/sc.2010.137

Case report.

Matched MeSH terms: Muscle Weakness/etiology

Fulltext Deaths of children during an outbreak of hand, foot, and mouth disease in Sarawak, Malaysia: clinical and pathological characteristics of the disease. For the Outbreak Study Group

Chan LG, Parashar UD, Lye MS, Ong FG, Zaki SR, Alexander JP, et al.

Clin Infect Dis, 2000 Sep;31(3):678-83.

PMID: 11017815

From April through June 1997, 29 previously healthy children aged <6 years (median, 1.5 years) in Sarawak, Malaysia, died of rapidly progressive cardiorespiratory failure during an outbreak of hand, foot, and mouth disease caused primarily by enterovirus 71 (EV71). The case children were hospitalized after a short illness (median duration, 2 days) that usually included fever (in 100% of case children), oral ulcers (66%), and extremity rashes (62%). The illness rapidly progressed to include seizures (28%), flaccid limb weakness (17%), or cardiopulmonary symptoms (of 24 children, 17 had chest radiographs showing pulmonary edema, and 24 had echocardiograms showing left ventricular dysfunction), resulting in cardiopulmonary arrest soon after hospitalization (median time, 9 h). Cardiac tissue from 10 patients showed normal myocardium, but central nervous system tissue from 5 patients showed inflammatory changes. Brain-stem specimens from 2 patients were available, and both specimens showed extensive neuronal degeneration, inflammation, and necrosis, suggesting that a central nervous system infection was responsible for the disease, with the cardiopulmonary dysfunction being neurogenic in origin. EV71 and possibly an adenovirus, other enteroviruses, or unknown cofactors are likely responsible for this rapidly fatal disease.

Matched MeSH terms: Muscle Weakness/etiology

Hypokalemic periodic paralysis due to Graves disease

Drakaki A, Habib M, Sweeney AT

Am J Med, 2009 Dec;122(12):e5-6.

PMID: 19958876 DOI: 10.1016/j.amjmed.2009.06.016

Hypokalemic thyrotoxic periodic paralysis is a potentially life-threatening complication of hyperthyroidism, defined by 3 characteristic features: thyrotoxicosis, hypokalemia, and acute painless muscle weakness. In this case, a 25-year-old Malaysian man presented with acute, painless lower extremity weakness immediately after a meal. His associated symptoms included palpitations, tremor, and anxiety. He also reported a 30-pound unintentional weight loss over the previous 18 months, dyspnea on exertion, and insomnia.

Matched MeSH terms: Muscle Weakness/etiology

Spectra of central nervous system melioidosis

Muthusamy KA, Waran V, Puthucheary SD

J Clin Neurosci, 2007 Dec;14(12):1213-5.

PMID: 17964168

Burkholderia pseudomallei infection of the central nervous system (CNS) is rare with less than 50 cases reported over the last 30 years. The retrospective melioidosis study at University Malaya Medical Centre has documented three cases of CNS melioidosis out of more than 160 cases of melioidosis since 1978. There were two patients with brain abscess and one with spinal epidural abscess. The predisposing factors were: one patient was an aboriginal farmer and the other two were diabetic. Their age ranged from 17 to 45 years. Prominent neurological features were limb weakness, cranial nerve palsy (6th and 7th) and visual disturbance. CT brain scan and MRI spine showed abscess formation, subdural collection, and spinal epidural collection, osteomyelitis of vertebra and occipital bone and also sagital sinus thrombosis. All these patients underwent surgical drainage leading to bacteriological diagnosis as well as appropriate long-term antibiotic therapy. All had good recovery at 6 months after completion of treatment.

Matched MeSH terms: Muscle Weakness/etiology

Development of the clinical assessment scale in autoimmune encephalitis

Lim JA, Lee ST, Moon J, Jun JS, Kim TJ, Shin YW, et al.

Ann Neurol, 2019 03;85(3):352-358.

PMID: 30675918 DOI: 10.1002/ana.25421

OBJECTIVE: There is no scale for rating the severity of autoimmune encephalitis (AE). In this study, we aimed to develop a novel scale for rating severity in patients with diverse AE syndromes and to verify the reliability and validity of the developed scale.

METHODS: The key items were generated by a panel of experts and selected according to content validity ratios. The developed scale was initially applied to 50 patients with AE (development cohort) to evaluate its acceptability, reproducibility, internal consistency, and construct validity. Then, the scale was applied to another independent cohort (validation cohort, n = 38).

RESULTS: A new scale consisting of 9 items (seizure, memory dysfunction, psychiatric symptoms, consciousness, language problems, dyskinesia/dystonia, gait instability and ataxia, brainstem dysfunction, and weakness) was developed. Each item was assigned a value of up to 3 points. The total score could therefore range from 0 to 27. We named the scale the Clinical Assessment Scale in Autoimmune Encephalitis (CASE). The new scale showed excellent interobserver (intraclass correlation coefficient [ICC] = 0.97) and intraobserver (ICC = 0.96) reliability for total scores, was highly correlated with modified Rankin scale (r = 0.86, p

Matched MeSH terms: Muscle Weakness/etiology

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