Nevi of Ota and Ito — Flashcards

Flashcard 1: Neurotization of nevus occurs due to progressive loss of _____ activity and acquisition of cholinesterase activity in deeper nervelike nevus cells

Answer: tyrosinase

Flashcard 2: A _____ nevus is a hyperpigmented papule surrounded by symmetrical, lighter brown, macular area

Answer: compound

Flashcard 3: Nevus of _____ presents as a unilateral blue-greyish hyperpigmented macule involving the shoulder and supraclavicular region, commonly in Chinese or Japanese populations.

Answer: Ito

Extra: • **Nevus of Ota**: Involves the face (distribution of the ophthalmic and maxillary branches of the trigeminal nerve). • **Nevus of Ito**: Involves the shoulder, side of the neck, and supraclavicular area (acromioclavicular region).

Flashcard 4: What is the treatment of choice for nevus of ito?_____

Answer: Pigment targeting Q switched laser

Flashcard 5: _____dermal melasma - appears light brown and shows enhanced color contrast with Wood's lamp.

Answer: Epidermal

Flashcard 6: Nevus of Ota is distributed along the _____ and the second branches of the trigeminal nerve.

Answer: first

Flashcard 7: What is the treatment of choice for nevus of ota?_____

Answer: Pigment targeting Q switched laser

Flashcard 8: Females are affected _____ commonly by nevus of ota than males

Answer: more

Flashcard 9: Freckles or ephelis are produced due to increased _____ production by melanocytes on exposure to UV rays

Answer: melanin

Flashcard 10: Poor prognostic factors for Vitiligo: - Positive family history - _____ vitiligo - Lesions over bony prominences - Leukotrichia - Koebner's/Isomorphic phenomenon - Nonsegmental vitiligo

Answer: Mucosal