Cutaneous lymphomas

Primary cutaneous lymphoma are a heterogenous group of non-Hodgkin’s lymphomas affecting the skin.

Cutaneous lymphomas have replaced Hodgkin’s the most common adult lymphomas.

More common among the black population than white population.

More common in men than women.

Majority of cases are CD4 positive small/medium pleomorphic lymphoma, cutaneous T-cell gamma delta T cell lymphoma and cutaneous B cell lymphoma.

Diagnostically challenging because they mimic several other dermatologic diseases including: psoriasis, contact dermatitis, nummular eczema, atopic dermatitis, lichen simplex chronicus, lymphoid contact dermatitis and tines corporis.

May be present for long periods of time with an indolent course.

Patients may complain of itching, and lesions may scale, lesions may be singular or multiple and lesions can involve the trunk, face, scalp, arms, and inner thighs.

Patient’s lesions may manifest as patches of scale and no specific pattern maybe present.

Lesions maybe undiagnosed for years and also may respond to topical corticosteroids and seem to resolve spontaneously.

Skin lesions maybe erythematous patches or plaques, or appear scaly or wrinkled.

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