Dermatopathic lymphadenopathy
In pathology, dermatopathic lymphadenopathy,  is lymph node pathology due to skin disease.

Cause
Also known as lipomelanotic reticulosis or Pautrier-Woringer disease, represents a rare form of benign lymphatic hyperplasia associated with most exfoliative or eczematoid inflammatory erythrodermas, including pemphigus, psoriasis, eczema, neurodermatitis, and atrophia senilis.

Diagnosis
Dermatopathic lymphadenopathy is diagnosed by a lymph node biopsy.  It has a characteristic pattern of histomorphology and immunohistochemical staining:

Paracortical histiocytosis
Melanin-laden macrophages
Eosinophils
Plasma cells (medulla of lymph node)

Differential diagnosis
Cutaneous T cell lymphoma
Hodgkins lymphoma
Melanoma

Treatment
The treatment is based on the underlying cause.

See also
Skin disease
List of cutaneous conditions

References
External links
Dermatopathic lymphadenitis - pathconsultddx.com.