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Dive into the research topics where Hamid Daya is active.

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Featured researches published by Hamid Daya.


International Journal of Pediatric Otorhinolaryngology | 2009

Cervicofacial nontuberculous mycobacterium lymphadenitis in children: Is surgery always necessary?

Robert Harris; Prince Cheriyan Modayil; Jane Adam; Mike Sharland; Paul T. Heath; Timothy Planche; Hamid Daya

INTRODUCTION The optimal treatment of cervicofacial nontuberculous mycobacterium lymphadenitis (CFNTB) in children is yet to be established. There is a general consensus that surgical excision results in a definitive resolution of the disease. The main aim of surgery is to remove affected nodes so that they do not discharge through the skin. Recently there are some investigators who are reporting successful antibiotic treatment and advocating medical therapy as the first line treatment. METHODS 16 children consecutively presenting to otolaryngology in a tertiary referral centre over an 8-year period with CFNTB. Inclusion criteria were chronic cervicofacial lymphadenitis with either: (1) a culture positive for atypical mycobacteria (from either a lymph node or fine needle aspirate (FNA) specimen); or (2) acid-fast bacilli identified (from either a lymph node or FNA specimen); or (3) post excision histological findings consistent with mycobacterial infection (i.e. non-caseating granulomas) in the absence of other clinical features suggestive of other granulomatous conditions. Lesions with superficial skin change were treated preferentially with surgery. Children presenting with lymph nodes contained deep to sternocleidmastoid were assessed with FNA cytological and microbiological analysis and MRI or CT, and treated preferentially with antibiotics or watchful waiting. RESULTS 4 children (2 culture positive, 2 with acid-fast bacilli on needle aspirate) presented with lymphadenopathy deep to sternocleidmastoid and were managed non-surgically. All 4 resolved without cutaneous involvement. 11 children with a clinical presentation of CFNTB underwent complete excision of all involved nodes for superficial lesions (6 were culture positive, and all had granulomatous histology). None recurred. 1 patient presented late with a mature, discharging parotid sinus, which was managed with watchful waiting as the lesion was clinically close to natural resolution. CONCLUSIONS Depth at presentation may help decide which patients with CFNTB can be treated non-surgically without cutaneous sequelae. We propose that a watch and wait management is an option for deep nodes.


Laryngoscope | 2002

Nasal Nitric Oxide in Children: A Novel Measurement Technique and Normal Values†‡

Hamid Daya; Wei Qian; Pat McClean; James S. J. Haight; Noel Zamel; Blake C. Papsin; Vito Forte

Objectives To develop and standardize a technique for measuring nasal nitric oxide (NO) output in children and to determine normal values in this population.


International Journal of Pediatric Otorhinolaryngology | 2014

Management of third branchial pouch anomalies – An evolution of a minimally invasive technique

Phui Yee Wong; Andrew Moore; Hamid Daya

OBJECTIVES The management of third branchial pouch anomalies has evolved in recent times with the popularisation of the endoscopic diathermy technique to sclerose the pyriform fossa sinus opening. We present our experience in managing 3 children with third branchial pouch anomalies and propose a minimally invasive management algorithm avoiding open neck surgery. METHODS Retrospective case review of 3 patients including demographics, mode of presentation, investigations, management and complications. RESULTS Three children, two male and one female of mean age 9.6 years presented with painful left anterior neck swelling. Axial neck imaging showed a superficial abscess with air locules and a sinus tract leading towards the left pharynx. Diagnosis was confirmed by endoscopic examination of the pyriform fossa revealing a sinus opening. Two patients underwent open excision; one combined with diathermy to the sinus opening. The last patient was diagnosed at his initial presentation and managed with endoscopic diathermy of the sinus opening combined with percutaneous needle aspiration of the neck abscess at the same sitting. One patient had two recurrences, the first after initial open surgery and the second after the first cautery. Two patients developed temporary hoarseness after the procedure, which resolved within two weeks. All patients were free from recurrences at follow-up. CONCLUSIONS Introduction of the technique of endoscopic diathermy to the pyriform fossa sinus opening in children with third branchial pouch anomalies has revolutionised their management avoiding open and potentially morbid surgery. Our algorithm takes this further by advocating percutaneous needle aspiration of the infective component and performing diathermy to the sinus opening at the first presentation.


International Journal of Pediatric Otorhinolaryngology | 2005

Retropharyngeal and parapharyngeal infections in children: the toronto experience

Hamid Daya; Stephen Lo; Blake C. Papsin; A. Zachariasova; Heather Murray; Jonathan Pirie; Suzanne Laughlin; Susan Blaser


Archives of Otolaryngology-head & Neck Surgery | 2000

Pediatric Rhabdomyosarcoma of the Head and Neck: Is There a Place for Surgical Management?

Hamid Daya; Helen S. L. Chan; Wilma Sirkin; Vito Forte


Archives of Otolaryngology-head & Neck Surgery | 2006

Antenatal Carbimazole and Choanal Atresia: A New Embryopathy

Dennis Wolf; Nicola Foulds; Hamid Daya


International Journal of Pediatric Otorhinolaryngology | 2004

Solitary infantile myofibroma compromising the airway

N. Eze; L. Pitkin; S. Crowley; Philip Wilson; Hamid Daya


International Journal of Pediatric Otorhinolaryngology | 2005

Ectopic thymus presenting as a subglottic mass: diagnostic and management dilemmas

Irumee Pai; Vanishree Hegde; Philip Wilson; Phil J. Ancliff; Ad Ramsay; Hamid Daya


BMJ | 2012

The tooth fairy and malpractice

Sian Ludman; Hamid Daya; P. Richards; Adam T. Fox


Journal of Evaluation in Clinical Practice | 2005

Audit of the multidisciplinary management of orbital infection secondary to sinusitis

N. Eze; Stephen Lo; Hamid Daya

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N. Eze

St George's Hospital

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Ad Ramsay

Great Ormond Street Hospital

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