<prompt> Answer this question truthfullyWhat steps are included in the physical examination of a mast cell tumor?  <response>: <reason> Hypotension TachycardiaUrticaria pigmentosa: Fixed, reddish brown lesions appears as maculo-papules, plaques, nodules, or blisters. Urticaria Pigmentosa UP lesions tend to be larger, better delineated, and more hyperpigmented in children, as compared to adults, who tend to have numerous small lesions that coalesce to form mottled areas. The trunk and thigh are more commonly involved with sparing of face, palms and soles.Dariers sign: Lesions urticate in response to physical irritation. Localized erythema and urticaria erupts within short period of time minutes in response to physical irritation.Diffuse Cutaneous MastocytosisDiffuse infiltrative yellow-orange xanthogranuloma-like subcutaneous nodules, or as a widespread urticarial eruption with bullae and redness. Telangiectasia macularis eruptiva perstans It is a rare form of mastocytosis, and presents as brownish macules and telangiectasia. Not associated with pruritus and blistering.Hepatomegaly SplenomegalyMastocytoma. Adapted from Atlas Dermatology Atlas. Mastocytoma. Adapted from Atlas Dermatology Atlas. Mastocytoma. Adapted from Atlas Dermatology Atlas. Mastocytoma. Adapted from Atlas Dermatology Atlas. 