ICD-11 classes
14 Diseases of the skin
Malignant neoplasms involving the skin
Cutaneous lymphoma
Primary cutaneous B-cell lymphomas
2A80.3 — Primary cutaneous follicle centre lymphoma
ICD-11 2A80.3 — Primary cutaneous follicle centre lymphoma
A primary lymphoma of the skin composed of various numbers of small and large irregular neoplastic follicle center cells. Its morphologic pattern can be nodular, diffuse, or nodular and diffuse. It presents with solitary or grouped plaques and tumours, and it usually involves the scalp, forehead, or trunk. It rarely involves the legs. This type of cutaneous lymphoma tends to remain localised to the skin, and it has a favorable prognosis.
The diagnosis includes nothing.
The diagnosis excludes nothing.
It has no clarifying diagnoses.
The diagnosis is coded elsewhere:
- Follicular lymphoma #1633
- Follicular lymphoma #3284