BAP1-related tumor predisposition syndrome

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BAP1-related tumor predisposition syndrome

ORPHA:289539Disease

Also called Tumor susceptibility linked to germline BAP1 mutations

What it is

BAP1-related tumor predisposition syndrome (TPDS) is an inherited cancer-predisposing syndrome, associated with germline mutations in BAP1 tumor suppressor gene. The most commonly observed cancer types include uveal melanoma, malignant mesothelioma, renal cell carcinoma, lung, ovarian, pancreatic, breast cancer and meningioma, with variable age of onset. Common cutaneous manifestations include malignant melanoma, basal cell carcinoma and benign melanocytic BAP1-mutated atypical intradermal tumors (MBAIT) presenting as multiple skin-coloured to reddish-brown dome-shaped to pedunculated, well-circumscribed papules with an average size of 5 mm, histologically predominantly composed of epithelioid melanocytes with abundant amphophilic cytoplasm, prominent nucleoli and large, vesicular nuclei that vary substantially in size and shape.

Key facts

Age of onset
Adult
Inheritance
Autosomal dominant
Classified as
Disease

Gene

BAP1Disease-causing germline mutation(s)

ICD-10 codes

D23.9filed under a broader ICD-10 category — shared with 4 other rare diseases

ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.

Related health topics

Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.

Cross-references

GARD 13219MONDO 0013692OMIM 614327UMLS C4707290

Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.

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