Renal hybrid oncocytic/chromophobe tumour

Renal hybrid oncocytic/chromophobe tumour, also hybrid oncocytic/chromophobe tumour (abbreviated HOCT) and hybrid tumour, is a rare kidney tumour with features of chromophobe renal cell carcinoma and renal oncocytoma.

General

• Rare.

May be seen in several contexts:

• Sporadic.
• Birt–Hogg–Dubé syndrome.
• Renal oncocytosis.

See also

• Renal tumours with eosinophilic cytoplasm.
• Renal oncocytoma.