" /> Spitzoid tumour of uncertain malignant potential - CISMeF





ICD-11 code : 2F72.1;

Preferred Label : Spitzoid tumour of uncertain malignant potential;

ICD-11 definition : A spindle cell and epithelioid cell melanocytic neoplasm in which there are sufficient features distinguishing it from a benign Spitz naevus to cast doubt on its benign nature. These atypical features include development in adult life, asymmetry, large diameter ( 6 and especially 10 mm), significant thickness (particularly subcutaneous extension), lack of maturation and nodule formation, cytological atypia and a high mitotic rate.;

ICD-11 synonym : atypical Spitz tumor of uncertain malignant potential; STUMP - [Spitzoid tumour of uncertain malignant potential]; Atypical Spitz naevus; atypical Spitz tumor;

ICD-11 acronym : STUMP;

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A spindle cell and epithelioid cell melanocytic neoplasm in which there are sufficient features distinguishing it from a benign Spitz naevus to cast doubt on its benign nature. These atypical features include development in adult life, asymmetry, large diameter ( 6 and especially 10 mm), significant thickness (particularly subcutaneous extension), lack of maturation and nodule formation, cytological atypia and a high mitotic rate.

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10/05/2025


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