Disorders of Pigmentation — Flashcards

Simple lentigo occurs due to an increase in _____ at dermal-epidermal junction.

Neurotization of nevus occurs due to progressive loss of _____ activity and acquisition of cholinesterase activity in deeper nervelike nevus cells

In diabetic dermopathy, histology shows hyperpigmentation of _____ layer of epidermis along with deposition of haemosiderin and melanin in the dermis

Melanocytic nevi (moles) are common benign neoplasms caused by acquired activating mutations in components of the _____ signaling pathway.

_____ method is the most specific method for staining melanin and stains it brown black

Neurotization of nevus suggests _____ nature of nevus

Pigmentation in acanthosis nigricans is due to _____

What type of nevus shows lymphocytic infiltration surrounding nevus cells? _____

_____ has a characteristic histopathology of "Claw clutching a Ball' appearance

_____ giant cells are lipid-containing macrophages, having a central ring of nuclei while the peripheral cytoplasm is clear due to accumulated lipid