Tumid lupus is one of the subtypes of cutaneous lupus erythematosus. Its features are as follows:
Its clinical features are purple-red patches, single or multiple plaques with smooth surface and clear boundaries. Epidermal changes such as erosion, atrophy, scaling, and hair follicle horn suppository do not exist in tumid lupus. Tumid lupus has significant photosensitivity and usually occurs in sun-exposed areas.
The histopathological features are infiltration of lymphocytes around the vessels and appendages, and mucin deposition in the dermal reticular layer without obvious epidermal involvement. Direct immunofluorescence (DIF) staining for immunoglobulins is negative.
Chloroquine and hydroxychloroquine are effective for the treatment of tumid lupus. For specific symptoms of tumid lupus, consult the doctor for professional treatments and constructive advices.
Keywords: tumid lupus; clinical features; histopathological features.