Answer 1:
Spitz nevus
Answer 2:
Mastocytosis
This is cutaneous mastocytosis. Numerous mast cells like this would be seen in a mastocytoma. There is a proliferation of monomorphous polygonal cells with a fried egg appearance. Mast cells can be labelled with CD117, tryptase and Giemsa stains.
https://pathpresenter.net/#/display/6f4cff2a41b44f322b92b176c6eb8eb4be7e51398fee1dd1a57b2669b66b765b8133h4N6hExLqwBnEoxCxw==?type=slide-library-public
Answer 3:
Leukemia cutis
Answer 4:
Histiocytosis
Answer 5:
Dermal nevus
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