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A large asymptomatic lesion on buttock since birth
2 Department of Pathology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Pondicherry - 605 006, India
Correspondence Address:
Devinder Mohan Thappa
Department of Dermatology and STD, JIPMER, Pondicherry - 605 006
India
How to cite this article: Kumari R, Thappa DM, Jayanthi S. A large asymptomatic lesion on buttock since birth. Indian J Dermatol Venereol Leprol 2007;73:143-144 |
Verhoeff-van Gieson stain (X 1000) |
Verhoeff-van Gieson stain (X 1000) |
Zosteriform, fl esh coloured, well- defi ned plaque with mammillated surface in the S3 dermatome over the left buttock |
Zosteriform, fl esh coloured, well- defi ned plaque with mammillated surface in the S3 dermatome over the left buttock |
A 20-year-old Indian male had a large asymptomatic lesion on his right buttock since birth. The lesion started growing in size at puberty and eventually attained the current size. There was no history of a similar lesion in his family.
On physical examination, there was a large 15 x 10 cm, firm, solitary, flesh colored, well - defined plaque with mammillated surface in the S3 dermatome over the left buttock extending onto the inner side of the thigh in a zosteriform distribution [Figure - 1]. The rest of the physical and systemic examination ruled out any other phakomatoses. Skin biopsy was done from the edge of the plaque. On hematoxylin and eosin staining, no apparent histopathological abnormality was seen. Findings of special stain are given in [Figure - 2]. Elastic fibers appeared widely spaced and there was no increase in mucopolysaccharides. His skeletal survey, however, was unremarkable.
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