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Neurocirculatory Asthenia definition: A clinical syndrome characterized by palpitation, SHORTNESS OF BREATH, labored breathing, subjective complaints of effort and discomfort, all following slight PHYSICAL EXERTION. Other symptoms may be DIZZINESS, tremulousness, SWEATING, and INSOMNIA. Neurocirculatory asthenia is most typically seen as a form of anxiety disorder.
Melanoma Arising from Blue Nevus definition: A rare melanoma which develops in a pre-existing blue nevus. It occurs more frequently on the scalp, face, orbit, back, buttocks, extremities, hands, and feet.
Barrett Adenocarcinoma definition: An adenocarcinoma arising from Barrett metaplastic epithelium in the esophagus. There is evidence supporting the idea that the Barrett adenocarcinomas develop through a stepwise progression through intestinal metaplastic epithelium to epithelial dysplasia to malignancy. Adenocarcinomas arising in the setting of Barrett esophagus are typically papillary and/or tubular. In terms of grading, they are well or moderately differentiated adenocarcinomas. -- 2002
Large B-Cell Lymphoma Arising in Human Herpes Virus 8-Associated Multicentric Castleman Disease definition: An aggressive diffuse large B-cell lymphoma occurring in patients with multicentric type Castleman disease. It is characterized by the presence of human herpes virus 8-infected large B-lymphocytes that resemble plasmablasts. It is usually seen in patients with HIV infection.
Osteosarcoma Arising in Paget Disease of Bone definition: A sarcomatous transformation of pre-existing Paget disease of the bone. Osteosarcomas arising from Paget disease of the bone are high grade lesions and usually have a poor prognosis.
Adulthood Lesion definition: A benign or malignant lesion arising during adulthood.
Childhood Lesion definition: A benign or malignant lesion arising during childhood.
Melanoma Arising in Giant Congenital Nevus definition: A melanoma arising in a giant congenital melanocytic nevus. The risk of developing a melanoma in a giant congenital melanocytic nevus has been reported to be between 5% and 50%. The incidence of developing melanoma is higher before the age of 10 and in adult life.
Carcinoma Arising from Craniopharyngioma definition: A rare condition characterized by the development of a carcinoma in a pre-existing craniopharyngioma.