Primary cutaneous peripheral T-cell…

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Primary cutaneous peripheral T-cell lymphoma not otherwise specified

ORPHA:86885Disease

Also called Primary cutaneous peripheral T-cell lymphoma NOS · Primary cutaneous unspecified peripheral T-cell lymphoma

What it is

An extremely rare, primary cutaneous T-cell lymphoma disorder characterized by solitary, or multifocal and diffuse, cutaneous lesions, ranging from tumor-like patches, plaques, papules, nodules, and/or erythroderma, located on any area of the body, which rapidly progress and may become ulcerated and/or infected. Systemic involvement may be associated.

Key facts

Age of onset
Adult, Elderly
Inheritance
Not applicable
Classified as
Disease

ICD-10 codes

C84.4filed under a broader ICD-10 category — shared with 1 other rare disease

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

MEDDRA 10034623MESH D016411MONDO 0019476UMLS C0079774

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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