Breast Carcinoma: An Unusual Variant |
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| Sections Clinical History Fine Needle Aspiration Macroscopic Features Light Microscopy Electron Microscopy Diagnosis Discussion Reader Feedback |
Fine Needle Aspiration Cytology |
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 Fig 1. Magnify Image |
Papanicalou stained smears of the fine needle asporate from the right breast tumor demonstrated groups of malignant, mucous secreting cells.. | |
| A diagnosis of colloid carcinoma was rendered | ||
Macroscopic Features |
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 Fig 2. |
The cut surface of the breast carcinoma was white and gelatinous. Sparse regions of grey white necrosis were present. | |
Light Micrcoscopy |
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 Fig 3. Magnify Image |
Groups of neoplastic cells were associated with large pools of extracellular mucin. | |
| Intracellular
and extracellular mucin was demosntrated with the
histochemical stains for mucin, PAS (Periodic Acid
Schiff) and Alcian Blue. The tumor had an infiltrating growth pattern and perineural growth was seen. |
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| Electron Microscopy | ||
| January 1988 Case-of-the-Month | ||