This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
[{'content': 'True about glomangioma -a) Usually subungalb) More common in hands and feetc) Thrombosis can occurd) Most common type of glomus tumor \nSelect and explain. \nA. ab, B. abc, C. acd, D. bcd', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Glomangioma (Glornuvenous malformation) \n\nGlomangioma is a variant of glomus tumor\nIt is characterized by multiple tumors resembling cavernous hemangioma, lined by glomus cells.\nGlomangioma is blue-red, extremely painful vascular neoplasm.\nIt involves a glomeriform arteriovenous anastomosis (glonzus body)\nIt may be found anywhere in the skin, most often in the distal portion of fingers and toes, especially beneath the nails (subungal).\nSecondary thrombosis and phlebolith formation may occur in these lesions.', 'role': 'assistant'}]