Abstract
Myxoid neurofibromas are benign spindle cell tumors of perineural cell origin with a broad pathologic differential diagnosis, which includes myxoma, myxoid liposarcoma, myxoid dermatofibrosarcoma protuberans, and low-grade fibromyxoid sarcoma. We present an unusual case of superficial myxoid neurofibroma in the region of the breast that underwent pre-operative fine-needle aspiration (FNA). The differential diagnosis for a myxoid subcutaneous lesion should include myxoid neurofibroma when myxoid material is encountered in an otherwise hypocellular FNA.
Keywords:
breast; cytology; fine-needle aspiration; myxoid neurofibroma.
© 2015 Wiley Periodicals, Inc.
MeSH terms
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Adult
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Biomarkers, Tumor / genetics*
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Biopsy, Fine-Needle
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Breast / pathology
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Dermatofibrosarcoma / diagnosis*
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Dermatofibrosarcoma / genetics
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Dermatofibrosarcoma / pathology
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Diagnosis, Differential
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Female
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Fibrosarcoma / diagnosis*
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Fibrosarcoma / genetics
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Fibrosarcoma / pathology
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Humans
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Liposarcoma, Myxoid / diagnosis*
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Liposarcoma, Myxoid / genetics
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Liposarcoma, Myxoid / pathology
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Myxoma / diagnosis*
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Myxoma / genetics
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Myxoma / pathology
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Neurofibroma / diagnosis*
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Neurofibroma / genetics
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Neurofibroma / pathology
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S100 Calcium Binding Protein beta Subunit / genetics*
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Skin / pathology
Substances
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Biomarkers, Tumor
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S100 Calcium Binding Protein beta Subunit
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S100B protein, human