Cytology Weekly Cases

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Cytopathology Challenge! Weekly Cases
March 13, 2009
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Lymphocytes mixed with follicular cells.
28 y/o female. FNA of thyroid.
Hashimotos thyroiditis
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38 year old male, BAL.
Goblet cell hyperplasia. Associated with asthma,
chronic bronchitis, bronchiectasis, and
allergies.
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68 year old male, bile duct brushing.
Adenocarcinoma. Disordered arrangement of
slightly enlarged and pleomorphic cells. Normal
ductal cells are arranged in a honeycomb pattern.
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65 y/o male. FNA of liver
HCC. Large, pleomorphic liver cells with
prominent nucleoli. HCC also has intranuclear
pseudoinclusion.
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Pancreas FNA.
Mucinous papillary ca
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FNA of kidney.
Renal cell ca. The clear cytoplasm is
characteristic.
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FNA of spleen.
Extramedullary hematopoiesis. The large cell is a
megakaryocyte.
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Subcarinal LN FNA.
Small cell ca. The typical findings are cells
with high NC ratios, molding, mitotic activity,
and necrosis. Differentiate from lymphocytes by
cohesion.
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Thyroid FNA
Hürthle cell neoplasm. Abundant cytoplasm and
prominent nucleoli. Cannot tell the difference
between Hürthle call adenoma or carcinoma on
cytology.
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Thyroid FNA.
Papillary ca. Cells with large nuclei, fine
chromatin, nuclear cleaves, small peripheral
nucleoli, and nuclear pseudoinclusions.
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