benign adnexal neoplasm

Cylindroma

Cylindroma is a non-cancerous type of skin tumour that develops from sweat glands normally found in the skin. People with Brooke–Spiegler syndrome (BSS) commonly develop multiple cylindromas. This syndrome is associated with an alteration in the gene CLYD. Where are cylindromas found? Cylindromas are typically found on the head and neck, but the upper chest …
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Spiradenoma

What is a spiradenoma? Spiradenoma is a non-cancerous type of skin tumour. The tumour develops from sweat glands normally found in the skin. People with Brooke–Spiegler syndrome commonly develop multiple spiradenomas. This syndrome is associated with an alteration in the gene CLYD. Where are spiradenomas found? Spiradenomas are typically found on the face, upper chest, …
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Hidradenoma

A hidradenoma is a non-cancerous skin tumour arising from the sweat glands within the skin. These tumours are relatively rare and can develop anywhere on the body. They are most commonly found on the trunk (chest, back, and abdomen) and extremities (arms and legs). Hidradenomas are typically slow-growing and present as small, firm, painless lumps …
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Poroma

What is a poroma? Poroma is a non-cancerous type of skin tumour. The tumour develops from sweat glands normally found in the skin. Where are poromas found? Poromas are commonly found on the palms of the hands, soles of the feet, and extremities (arms and legs), however, other sites can also be involved. How do …
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