<prompt> Lisch nodule is seen in: September 2012Von-Recklinghausens diseaseMotor diseaseMyasthenia gravisDrug induced myopathy  <response>: Ans. A i.e. Von-recklinghausens disease Dermatological signs and conditions associated Casals necklace: Pellagra Berloque dermatitis: Cosemtics Calcinosis cutis: Scleroderma Crocodile skin: Icthyosis Iris pearls: Leprosy Obstruction of pilo-sebaceous glands: Acne vulgaris Micro-Munro abscess: Psoriasis Pautrier microabscess: Mycosis fungoides Max Joseph space: Lichen planus Basal layer degeneration Hydropic degeneration Liquefaction degeneration: Lichen planus also in DLE, pemphigus etc. Asboe Hansen sign bulla spread sign: Pemphigus Dubios sign: Congenital syphilis 011endroff sign: Secondary syphilis 