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Myeloid Sarcoma of Temporal Bone: A Rare Manifestation of Relapse Acute Myeloid Leukemia

Goh BS, Tang CL, Tan GC

Indian J Otolaryngol Head Neck Surg, 2019 Nov;71(Suppl 2):1023-1026.
PMID: 31750119 DOI: 10.1007/s12070-015-0930-8

Myeloid sarcoma is a rare malignant extramedullary neoplasm of myeloid precursor cells. This disorder may occur in concomitance with or precede development of acute or chronic myeloid leukemia. Sometimes, it is the initial manifestation of relapse in a previously treated acute myeloid leukemia. We report a case of 11 years old boy with acute myeloid leukemia in remission state, presented with short history of right otalgia associated with facial nerve palsy. Diagnosis of right acute mastoiditis with facial nerve palsy as complication of acute otitis media was made initially. Patient underwent simple cortical mastoidectomy but histopathology from soft tissue that was sent revealed diagnosis of myeloid sarcoma. A leukemic relapse was confirmed by paediatric oncologist through bone marrow biopsy. Chemotherapy was commenced but patient responded poorly to the treatment.
Fulltext Is there a lack of awareness of percutaneous endoscopic gastrostomy (PEG) amongst local non-gastrointestinal specialists?--experience with PEG in a Malaysian hospital

Chuah SY, Leong CK, Tang CL, Nachiappan M, Pang CW

Med J Malaysia, 2001 Jun;56(2):257-8.
PMID: 11771092
Fulltext Tracheotomy: an alternative for tracheobronchial foreign body removal

Tang CL, Lee SC, Mohamad Lal A, Thomas RA, Ngui LX, Lim LY

Med J Malaysia, 2014 Oct;69(5):241-3.
PMID: 25638243 MyJurnal

A 6 years old girl accidentally aspirated a plastic whistle while playing. Computed Tomography of thorax showed foreign body at carina level. Rigid bronchoscope under general anesthesia was attempted but unable to extract the whistle through vocal cord. Tracheostomy was later performed and foreign body was removed.
Hearing status and behavioural patterns among school aged children with cleft lip and/or palate

Goh BS, Tang CL, Hashim ND, Annamalay T, Abd Rahman FN

Int J Pediatr Otorhinolaryngol, 2019 Mar;118:1-5.
PMID: 30578988 DOI: 10.1016/j.ijporl.2018.12.010

OBJECTIVE: There is a dearth of studies on long term hearing status and behavioural patterns among cleft lip and/or palate children after their primary lip and palate closure in Malaysia. This study describes the audiology status and behavioural patterns in a group of school aged children with cleft lip and/or palate.
METHOD: A cross sectional study was carried out where caretakers of cleft lip and/or palate were asked to complete the translated Malay language version of Strength Difficulties Questionnaire. The hearing status of the children was analyzed based on recent pure tone audiometric and tympanogram results. The patients' age, gender, type of cleft pathology, age of palatal surgery and behavioural patterns were examined for their potential relationship with hearing status.
RESULTS: A total of 74 children (148 ears) aged between 7 and 17 years with cleft lip and/or palate were recruited. The result showed 37 ears (25.0%) had hearing loss with majority suffered from mild conductive hearing loss. There were 16 ears (10.8%) that had persistent middle ear effusion. Hearing improvement occurred when palatal repair was performed at the age of less than 1 year old. (p = 0.015) There was no significant relationship between patients' gender, age, type of cleft and history of myringotomy with their hearing status. In terms of behavioural patterns, 16.3% were abnormal for total behavioural score, 39.2% for peer problem and 17.6% for conduct problem. For prosocial behaviour, 16.3% were rated low and very low. There was fair correlation between age and hyperactivity problems (r = 0.44). Patients' gender, type of cleft pathology, had been teased apart and hearing status was found not related to behavioural problems.
CONCLUSION: Cleft lip and/or palate patients have a good longterm hearing outcome. Majority had normal hearing and if there is hearing impairment, it is only a mild loss. Early palatal repair surgery before the age of 1 year can significantly reduce the risk of hearing loss. Cleft lip and/or palate patients experienced peer problems. There was no significant correlation between behavioural difficulty and hearing status among school-aged children with cleft lip and palate.
Fulltext Late Temporal Lobe Extensive Osteoradionecrosis Post Radiation for Nasopharyngeal Carcinoma: Case Series

Tang CL, Kumar R, Toh CJ, Azura S, Tan GC, Gendeh BS

Indian J Otolaryngol Head Neck Surg, 2017 Sep;69(3):409-414.
PMID: 28929077 DOI: 10.1007/s12070-015-0909-5

Osteoradionecrosis is one of the most serious complications of radiotherapy for nasopharyngeal carcinoma. We report three cases of osteoradionecrosis in temporal lobe who presented differently few years after completion of radiotherapy. Cranial magnetic resonance image showed lesions in temporal lobe either unilateral or bilateral with mass effect. One of the cases even showed disease progression few years after the initial diagnosis of osteoradionecrosis. Diagnosis of osteoradionecrosis for all three patients was confirmed by biopsy.
Mesenteric desmoid tumors in Singapore familial adenomatous polyposis patients: clinical course and genetic profile in a predominantly Chinese population

Koh PK, Loi C, Cao X, Cheah PY, Ho KS, Ooi BS, et al.

Dis Colon Rectum, 2007 Jan;50(1):75-82.
PMID: 17082890 DOI: 10.1007/s10350-006-0759-z

PURPOSE:
This study examined the mutational profile of the adenomatous polyposis coli gene in relation to the development of desmoid tumors in familial adenomatous polyposis patients from a predominantly Chinese population.

METHODS:
This is a retrospective review of all patients with familial adenomatous polyposis coli from the Singapore Polyposis Registry. Identification of specific adenomatous polyposis coli gene mutation was performed and clinical course of associated desmoid disease obtained from case records and a computerized database.

RESULTS:
Two hundred five patients from 75 families afflicted with familial adenomatous polyposis coli were reviewed, with gene mutations identified in 107 patients. Of these, 23 (11.2 percent) developed desmoids. The male-to-female ratio was 1:1.3 and the ethnic distribution was Chinese (n=17) and Malay (n=6). Of the 92 patients with mutations 5' to codon 1444, 11 patients (12 percent) developed desmoids compared with 6 of 15 (40 percent) patients with adenomatous polyposis coli gene mutations 3' to codon 1444 (P<0.01). The clinical course of desmoid tumors can be divided into stable (n=11), variable (n=3), progressive (n=6), and aggressive growth (n=3). Only 3 (13 percent) patients with aggressive tumor growth required chemotherapy. There was no correlation between the site of mutation and the clinical progression of the desmoids. Seventy-four percent of these desmoids (17/23) developed at a mean interval of 2.98 years after restorative proctocolectomy, while only 30 percent (7/23) were diagnosed preoperatively or discovered during the initial surgery. The most common complications related to the mesenteric desmoids were intestinal obstruction (21.7 percent), ureteric obstruction (17.4 percent), and encasement of superior mesenteric vessels (13 percent).

CONCLUSION:
The clinical course of desmoids in an individual familial adenomatous polyposis patient remains unpredictable and no reliable genetic marker is available for prognostication in desmoid disease.