benign adnexal tumour

Cylindroma

What is a cylindroma? Cylindroma is a non-cancerous type of skin tumour. The tumour 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 …
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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

What is a hidradenoma? Hidradenoma is a non-cancerous type of skin tumour. The tumour develops from sweat glands normally found in the skin. Where are hidradenomas found? Hidradenoma can be found anywhere on the body although it is more common on the trunk and extremities. What causes a hidraenoma? Most hidradenomas are caused by a …
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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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