Invasive Micropapillary Carcinoma of Breast: An Under-recognized Entity. A series of Eight Cases
Department of Pathology and Microbiology, Section of Histopathology, The Aga Khan University Hospital, Karachi, Pakistan.The Breast Journal (Impact Factor: 1.41). 05/2012; 18(3):267-71. DOI: 10.1111/j.1524-4741.2012.01232.x
Invasive micropapillary carcinoma (IMPC) of breast is a morphologically distinct and relatively uncommon variant of invasive ductal carcinoma. It is characterized by small clusters of tumor cells with surrounding clear stromal spaces; a tendency for vascular permeation and therefore, an aggressive clinical course. This morphologic pattern can be easily missed especially in a small biopsy specimen because pathologists may disregard the clear spaces as artifactual. With a tendency of presenting at a higher stage, this morphological pattern needs to be mentioned in the histopathology report whenever it is encountered, either in its pure form or admixed with conventional ductal carcinoma. We describe eight cases of IMPC of breast along with their variable clinical presentations.
- Cytopathology 07/2002; 13(3):160-3. DOI:10.1046/j.1365-2303.2002.00390.x · 1.48 Impact Factor
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ABSTRACT: We present a 38-year-old premenopausal Japanese woman with invasive micropapillary carcinoma (IMC) of the left breast with minimal lymph node metastasis despite a huge size. The patient noticed a left breast mass and a bloody nipple discharge 2 years before admission. On admission, physical examination revealed a huge, elastic hard mass with skin ulcer 12x12 cm in diameter occupying the entire left breast. The patient underwent modified radical mastectomy with level III lymph node dissection, and the defect was reconstructed with a vertical rectus abdominis myocutaneous flap. Histopathologically, IMC comprised about 60% of the tumor, admixed with papillotubular and mucinous carcinoma. Only one of twenty-five lymph nodes had tumor metastasis. The patient remains well 8 months postoperatively without any signs of recurrence.Breast Cancer 02/2003; 10(4):356-60. DOI:10.1007/BF02967657 · 1.59 Impact Factor
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