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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Max. Joseph&;s space is a histopatho-logical feature of -
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The correct answer is  Lichen planus in histopathology shows thickened granular layer , saw toothing of rete ridges , basal cell degeneration ( leading to Max Joseph s spaces and colloid/ Civatte body formation) and a band like upper dermal infiltrate of lymphocytes. IADVL TEXTBOOK OF DERMATOLOGY PAGE 1070