28. TONSILAR ANGIOLEIOMYOMA: SECOND REPORTED CASE. (February 2015)

• Record Type: Journal Article
• Authors: Kasem, Kais; Nigam, Sonu; Ryan, David; Kitipornchai, Leon
• Is Part Of: Pathology. Volume 47(2015)Supplement 1
• Publication Date: 2015-02
• Subjects: Pathology -- Periodicals; 616.0705
• DOI: 10.1097/01.PAT.0000461637.20288.8b
• Languages: English
• ISSNs: 0031-3025

Abstract

Abstract : A second reported case of an uncommon tumour in a very unusual site is described. Most cases of angioleiomyoma involve the extremities, with a few described in the head and neck region. We report a case of a 33-year-old man who presented with a history of sore throat for 6 months. Throat examination revealed a flesh-coloured mass attached to the lower pole of the right palatine tonsil. The mass presence was then confirmed on CT scan. The surgically excised mass measured 20 mm in largest dimension and had a red-brown spongy cut surface. Histologically, the well-circumscribed mass comprised numerous blood vessels and spindle cell proliferation in a loose stroma with no evidence of atypia or necrosis. The spindle cells have ovoid nuclei with blunt ends and smooth muscle morphology. The cells show diffusely positive reaction for SMA, vimentin and collagen IV, focal positivity for desmin and no reaction with S100, HMB45 and PGP9.5. The overall morphological and immunohistochemical features are consistent with angioleiomyoma. In the literature, there is only one case of angioleiomyoma in the tonsil reported in 2002.