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Fulltext A caroticocavernous fistula without vascular injury following endoscopic transsphenoidal excision of a tuberculum sellae meningioma-A case report

Ngui JZ, Higginbotham G, Kanesen D, Lau JH, Tang IP, Liew DNS

Clin Case Rep, 2021 May;9(5):e04117.
PMID: 34026157 DOI: 10.1002/ccr3.4117

Caroticocavernous fistulae can occur following transsphenoidal surgery even without evidence of carotid artery injury. A role of vascularized flap reconstruction may be contributory.
Endoscopic Endonasal Approach in Clival Chordoma Surgery: Case Series

Ngu CYV, Tang IP, Ng BHK, Wong ASIIH, Liew DNS

Indian J Otolaryngol Head Neck Surg, 2021 Jun;73(2):226-232.
PMID: 34150596 DOI: 10.1007/s12070-021-02455-6

Chordomas are rare and slow-growing locally destructive bone tumors that can develop in the craniospinal axis. It is commonly found in the sacrococcygeal region whereas only 25-35% are found in the clival region. Headache with neurological deficits are the most common clinical presentations. Complete surgical resection either via open or endoscopic endonasal approaches are the main mode of treatment. Here, we report a series of 5 cases of clival chordomas which was managed via endoscopic endonasal approaches in our center. A retrospective analysis of patients who had undergone endoscopic endonasal resection of clival chordoma in Sarawak General Hospital from 2014 to 2018. A total of 5 cases were operated on endoscopically via a combine effort of both the otorhinolaryngology team and the neurosurgical team during the study period from year 2013 to 2018. From our patient, 2 were female and 3 were male patients. The main clinical presentation was headache, squinting of eye and nasopharyngeal fullness. All our patient had endoscopic endonasal debulking of clival tumor done, with average of hospital stay from 9 - 23 days. Pos-operatively, patients were discharged back well. Endoscopic endonasal resection of clival chordomas gives good surgical resection results with low morbidity rates and therefore can be considered as a surgical option in centers where the surgical specialties are available.
Fulltext A Rare Case of Cerebrospinal Fluid Rhinorrhea from Canal of Stenberg

Ngu CYV, Lee TH, Ramachandran K, Liew DNS, Tang IP

Indian J Otolaryngol Head Neck Surg, 2023 Apr;75(Suppl 1):764-767.
PMID: 37206705 DOI: 10.1007/s12070-022-03347-z

Background: A spontaneous cerebrospinal leak from Sternberg's canal with meningoencephalocele is a very rare clinical entity. Endoscopic repair of the defect is challenging and crucial in identifying the defect. The aim of this case report is to highlight the presence and management with endoscopic surgery in repairing Sternberg canal. Case: 40-year-old woman presents with spontaneous CSF rhinorrhea with no predisposing factors. CT imaging and MRI showed osteodural defect in the lateral recess of sphenoid with meningoencephalocoele lateral to the foramen rotundum. Endoscopic transethmoidal - transphenoidal - transpterygoid approach was used to repair the defect, and patient is well post-operative with least complication from the intervention surgery. Conclusion: Endoscopic approach proved to be the best and safest method in localizing the defect and closure of the leak. Angled scopes and image guided system were used to identify the precise location of the leak.
SUPPLEMENTARY INFORMATION: The online version contains supplementary material available at 10.1007/s12070-022-03347-z.
Pharyngeal Lipoma-A Potentially Life Threatening Presentation

Mohd Nor SNA, Ng BHK, Othman N, Tang IP

Indian J Otolaryngol Head Neck Surg, 2022 Dec;74(Suppl 3):5478-5481.
PMID: 36742515 DOI: 10.1007/s12070-021-02803-6

Pharyngeal lipoma of the upper aero-digestive system is extremely rare. It is typically benign, slow growing and symptoms would depend on its size and location. Surgical intervention is often needed especially for large tumour with impending airway obstruction. Here we present a case of potentially life threatening presentation of pharyngeal lipoma.
A 4-year review of surgical and oncological outcomes of endoscopic endonasal transpterygoid nasopharyngectomy in salvaging locally recurrent nasopharyngeal carcinoma

Tang IP, Ngui LX, Ramachandran K, Lim LY, Voon PJ, Yu KL, et al.

Eur Arch Otorhinolaryngol, 2019 Sep;276(9):2475-2482.
PMID: 31227870 DOI: 10.1007/s00405-019-05522-5

PURPOSE: To study the surgical and oncological outcomes of endoscopic endonasal transpterygoid nasopharyngectomy (EETN) in salvaging locally recurrent nasopharyngeal carcinoma (NPC).
METHOD: This was a retrospective clinical record review study carried out at a tertiary centre from June 2013 until May 2017. A total of 55 locally recurrent NPC patients (rT1-rT4) underwent EETN performed by single skull base surgeon with curative intention with postoperative adjuvant chemotherapy but without postoperative radiotherapy.
RESULTS: There were 44 (80.0%) males and 11 (20.0%) females, with mean age of 52.5 years. The mean operating time was 180 min (range 150-280 min). 85% (47/55) of patients achieved en bloc tumour resection. 93% (51/55) of patients obtained negative microscopic margin based on postoperative histopathological evaluation. Intraoperatively, one (1.8%) patient had internal carotid artery injury which was successfully stented and had recovered fully without neurological deficit. There were no major postoperative complications reported. During a mean follow-up period of 18-month (range 12-48 months) postsurgery, five patients (9.1%) had residual or recurrence at the primary site. All five patients underwent re-surgery. One patient at rT3 passed away 6 months after re-surgery due to distant metastasis complicated with septicaemia. The 1-year local disease-free rate was 93% and the 1-year overall survival rate was 98%.
CONCLUSIONS: EETN is emerging treatment options for locally recurrent NPC, with relatively low morbidity and encouraging short-term outcome. Long-term outcome is yet to be determined with longer follow-up and bigger cohort study. However, a successful surgical outcome required a very experienced team and highly specialised equipment.
Fulltext Using Patient Profiles To Guide The Choice Of Antihistamines In The Primary Care Setting In Malaysia: Expert Consensus And Recommendations

Baharudin A, Abdul Latiff AH, Woo K, Yap FB, Tang IP, Leong KF, et al.

Ther Clin Risk Manag, 2019;15:1267-1275.
PMID: 31802877 DOI: 10.2147/TCRM.S221059

H1-antihistamines are recognized to be effective for conditions such as allergic rhinitis and chronic spontaneous urticaria. However, management of such conditions in the real-world primary care setting may be challenging due to diverse patient-specific considerations, the wide range of antihistamines available, choice of other treatment modalities, and the complexity of interpreting specialist treatment algorithms. Despite regular updates to international guidelines, regional/national surveys of healthcare professionals show a clear gap between guidelines and real-world practice, particularly at the primary care level. This article thus presents the consensus opinion of experts from relevant specialties in Malaysia - allergology, pediatrics, otorhinolaryngology, and dermtology - on harmonizing the use and choice of antihistamines in primary care. Patient profiling is recommended as a tool to guide primary care practitioners in prescribing the appropriate antihistamine for each patient. Patient profiling is a three-step approach that involves 1) identifying the individual's needs; 2) reviewing patient-specific considerations; and 3) monitoring treatment response and referral to specialists in more severe or difficult-to-treat cases. Concurrently, guidelct 3ines should be reviewed and updated periodically to include recommendations that are easily actionable for primary care practitioners.
Fulltext Unilateral pulmonary vein atresia presenting with recurrent haemoptysis in a child: a case report

Wong MNL, Tang IP, Chor YK, Lau KS, John AR, Hii KC, et al.

BMC Pediatr, 2020 09 24;20(1):448.
PMID: 32972390 DOI: 10.1186/s12887-020-02348-7

BACKGROUND: Haemoptysis is an uncommon presenting symptom in children and is usually caused by acute lower respiratory tract infection or foreign body aspiration. We report a rare case of right unilateral pulmonary vein atresia (PVA) as the underlying aetiology of recurrent haemoptysis in a child.
CASE PRESENTATION: A 4 years old girl presented with history of recurrent haemoptysis. Bronchoscopic evaluation excluded a foreign body aspiration but revealed right bronchial mucosal hyperaemia and varices. Diagnosis of right unilateral PVA was suspected on transthoracic echocardiography which demonstrated hypoplastic right pulmonary artery and non-visualization of right pulmonary veins. Final diagnosis was confirmed on cardiac CT angiography. A conservative treatment approach was opted with consideration for pneumonectomy in future when she is older.
CONCLUSION: Rarer causes should be considered when investigating for recurrent haemoptysis in children. Bronchoscopy and cardiac imaging are useful tools to establish the diagnosis of unilateral PVA in our case.