André Vicente Guimarães

Learn More
Thyroglossal duct remnants are the most common midline neck swellings, but carcinoma is found in approximately 1% of these lesions. The cysts are usually asymptomatic and the presentation of the patient with carcinoma is indistinguishable from the common cyst. Papillary adenocarcinoma comprises 75-85% of the tumors reported. A 36-year-old woman underwent(More)
BACKGROUND The ultrasonic scalpel is a recently introduced device in head and neck surgery. Total thyroidectomy is the most common endocrine procedure performed by surgeons. METHODS This was an open, phase IV, multicenter, randomized controlled trial (RCT) that compared the use of an ultrasonic scalpel with a conventional technique in patients who(More)
Described initially by Ariyan in the 1970s, the pectoralis major flap has broad acceptance for its versatility in head and neck cancer reconstructions. It is supplied by the thoracoacromial artery, with an additional circulation provided by the lateral thoracic artery. It can be safely used even in patients who have undergone postoperative radiation. The(More)
UNLABELLED There is controversy in the literature regarding the association between papillary thyroid carcinoma (PTC) and Hashimoto's thyroiditis (HT) and as to what would be the etiological relationship between them. OBJECTIVE To establish the proportion of cases among patients with TH and CPT, correlating it with histomorphological aspects. METHOD A(More)
Frey syndrome is one of the potential sequelae of parotidectomy. Various medical and surgical treatments have been used in an attempt to avoid this embarrassing condition. Recently, interposing barriers between the overlying skin flap and the parotid bed, such as the sternocleidomastoid muscle (SCM) flap, have been used to prevent this condition. The(More)
The purpose of this study was to determine the recurrence rate and the long-term survival of patients treated with frontolateral laryngectomy for early glottic cancer. The study is a retrospective analysis of a cohort of patients who underwent frontolateral laryngectomy from 1995 to 2002 with a median follow-up of 48 months. This was a consecutive series of(More)
BACKGROUND Thyroglossal duct remnants are the most common midline neck masses in childhood but can be found in adults and the elderly. Sistrunk's procedure, with dissection of the tract and removal of the hyoid bone, is accepted as the main operation of choice. STUDY DESIGN Fifty-five patients were treated from January 1994 to November 2000, and these(More)
Aim of this study was to analyse contact endoscopy as an auxiliary method for identifying parathyroid glands during thyroid surgery and to identify other variables that may interfere with this correlation. Overall, 125 patients underwent thyroid surgery between January 2004 and February 2006. The variables analysed were: the total duration of surgery; time(More)
This report describes the surgical experience gained from 32 patients with substernal goitre, operated on during January 1995 to December 1997. The material corresponds to 15.7% of the total thyroidectomies performed. The diagnosis was clinical. In spite of 65.6% of the patients being asymptomatic, breathing problems, dysphagia and hyperthyroidism were(More)
Experienced thyroid surgeons are often able to identify the parathyroid glands, but sometimes it is difficult to differentiate them from other contiguous tissues. Contact endoscopy was introduced in otolaryngology for the characterization of normal and pathological epithelia. Our objective was to analyze contact endoscopy as an auxiliary method for(More)