Fine needle aspiration of pancreatic cystic epithelial neoplasms

Rodolfo Laucirica, M. R. Schwartz, I. Ramzy

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Pancreatic cystic epithelial neoplasms present diagnostic challenges in cytology. An accurate diagnosis is important since the prognosis and treatment may vary. We report the cytologic features in fine needle aspirates of four cases of cystic neoplasms of the pancreas (two microcystic adenomas, one mucinous cystic neoplasm and one mucinous cystadenocarcinoma). Smears were evaluated as to their cellularity, content and predominant cell type. Aspirates from the microcystic adenomas yielded hypocellular material with rare strips of cuboidal cells having bland nuclei and pale cytoplasm. No mucinous material was identified in the background, but the cells stained positively with periodic acid-Schiff stain. Smears from the mucinous cystic neoplasm were moderately cellular and contained abundant mucinous material. The columnar epithelial cells were arranged in tight sheets, clusters and strips. Most cells had benign nuclear features with focal mild nuclear atypia. Key cytologic findings noted in the mucinous cystadenocarcinoma were moderate cellularity, loose clusters of cells, single cells, overt malignant nuclear features and occasional signet ring cells. Pancreatic pseudocysts can be distinguished from pancreatic cystic epithelial neoplasms by the predominance of histiocytes and inflammatory cells and absence or paucity of epithelial cells. To differentiate microcystic adenomas from mucinous cystic neoplasms, the above criteria coupled with periodic acid-Schiff and mucin staining should effectively differentiate these diagnostic entities.

Original languageEnglish (US)
Pages (from-to)881-886
Number of pages6
JournalActa Cytologica
Volume36
Issue number6
StatePublished - Jan 1 1992
Externally publishedYes

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Glandular and Epithelial Neoplasms
Fine Needle Biopsy
Mucinous Cystadenocarcinoma
Adenoma
Periodic Acid
Epithelial Cells
Pancreatic Pseudocyst
Neoplasms
Histiocytes
Mucins
Pancreatic Neoplasms
Needles
Cell Biology
Cytoplasm
Coloring Agents
Staining and Labeling

All Science Journal Classification (ASJC) codes

  • Cell Biology
  • Anatomy
  • Histology

Cite this

Fine needle aspiration of pancreatic cystic epithelial neoplasms. / Laucirica, Rodolfo; Schwartz, M. R.; Ramzy, I.

In: Acta Cytologica, Vol. 36, No. 6, 01.01.1992, p. 881-886.

Research output: Contribution to journalArticle

Laucirica, R, Schwartz, MR & Ramzy, I 1992, 'Fine needle aspiration of pancreatic cystic epithelial neoplasms', Acta Cytologica, vol. 36, no. 6, pp. 881-886.
Laucirica, Rodolfo ; Schwartz, M. R. ; Ramzy, I. / Fine needle aspiration of pancreatic cystic epithelial neoplasms. In: Acta Cytologica. 1992 ; Vol. 36, No. 6. pp. 881-886.
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