Fine-needle aspiration cytology (FNA) was performed on a breast lump in a 66-year-old female, clinically thought to be a carcinoma. The cytological findings were reported as suspicious of malignancy. Subsequent histological examination showed a tumour macroscopically and microscopically identical with six other cases previously described as benign spindle cell tumours of the breast. This report highlights yet another diagnostic pitfall in FNA cytology of the breast. The presence of floret cells in this case has not been previously reported but supports the concept that this lesion is the same as a spindle cell lipoma, from which it is virtually indistinguishable on light microscopy. The lesion affects both male and female breast, is predominantly single but may be multiple, and follows a benign course. Local excision is curative.
Bone hemangiomas are extremely rare in the ribs, with only a handful of cases reported in the literature. A case of a rib hemangioma is presented in which the pre-resection diagnosis was an aggressive chest wall tumor. The plain film, CT, MRI and bone scan features of the lesion were reviewed with the pathological correlation. On imaging, the lesion was expansile and lytic, and it also had fine bony trabeculae. The lesion also demonstrated growth beyond a disrupted bony cortex, suggesting malignancy. This case report adds to the literature on this rare condition and discusses the issues in the diagnosis of chest wall tumors.
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