Benjamin Wehrli

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BACKGROUND Sexually transmitted infection with the human papillomavirus (hpv) is responsible for a significant burden of human cancers involving the cervix, anogenital tract, and oropharynx. Studies in the United States and Europe have demonstrated an alarming increase in the frequency of hpv-positive oropharyngeal cancer, but the same direct evidence does(More)
A case of a subcutaneous polypoid lipoma, presenting as a rudimentary polydactyly, is reported. The lesion was located between the first and second digits and extended into the first intermetatarsal space in a polypoid fashion. Radiographically, there were no osseous structures associated with the mass, and preliminary biopsy results showed no evidence of(More)
OBJECTIVE We aimed to investigate the diagnostic accuracy of contact endoscopy in evaluating oral and oropharyngeal mucosal lesions. METHODS Between January 2010 and December 2011, 34 patients with lesions of the oral and oropharyngeal mucosa were enrolled in the study. Comparison between initial contact endoscopy results and 'gold standard' tissue biopsy(More)
OBJECTIVE To present a case of extraskeletal Ewing's sarcoma originating in the masseter muscle, and to review the diagnosis and management of these rare tumours. METHODS Case report and literature review. RESULTS We report a patient with Ewing's sarcoma of the masseter muscle with mandibular invasion. She was treated with induction chemotherapy,(More)
Benign smooth muscle proliferations are relatively rare in the oral cavity. Most are classified as angioleiomyomas, some as hamartomatous growths and a few as cutaneous-type leiomyomas. We present two cases of benign smooth muscle proliferations in the tongue, provide a review, briefly discuss histogenesis and offer a clinico-pathological differential(More)
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