Fine needle aspiration cytology of a male breast carcinoma exhibiting neuroendocrine differentiation

Report of a case with immunohistochemical, flow cytometric and ultrastructural analysis

J. D. Feczko, R. N. Rosales, Harvey Cramer, R. J. Goulet, L. C. Tao

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

We present the cytologic, immunohistochemical, flow cytometric and ultrastructural findings of a case of invasive ductal carcinoma of the breast with features of neuroendocrine differentiation occurring in an 83-year-old male. Fine needle aspiration (FNA) cytology of the patient's tumor demonstrated a markedly cellular specimen of discohesive tumor cells, present primarily singly, with occasional loose groups. The cells were relatively large, with pleomorphic, eccentrically placed, round to oval nuclei. The cytoplasm was abundant and contained prominent red granules (Papanicolaou stain) that were also argyrophilic. Immunohistochemical studies performed on the aspirate and the subsequently excised malignant breast tissue revealed positive staining for neuron-specific enolase, chromogranin A, synaptophysin and gastrin. Also, the majority of the tumor stained positive with antibodies to both estrogen and progesterone hormone receptors. DNA flow cytometry demonstrated an aneuploid stemline population with a DNA index of 1.73 and an S-phase fraction of 4.5%. Electron microscopy was performed on the FNA material, and numerous variable-sized, membrane-bound, dense-core granules diffusely scattered within the cytoplasm of the neoplastic cells were identified. The specific cytologic features of this tumor, along with the immunocytochemical and ultrastructural features, can aid the pathologist in rendering an accurate FNA diagnosis of this specific subtype of breast carcinoma.

Original languageEnglish
Pages (from-to)803-808
Number of pages6
JournalActa Cytologica
Volume39
Issue number4
StatePublished - 1995

Fingerprint

Male Breast Neoplasms
Fine Needle Biopsy
Cell Biology
Neoplasms
Cytoplasm
Carcinoma, Ductal, Breast
Chromogranin A
Synaptophysin
Phosphopyruvate Hydratase
DNA
Gastrins
Aneuploidy
Progesterone Receptors
S Phase
Electron Microscopy
Flow Cytometry
Estrogens
Breast
Coloring Agents
Hormones

Keywords

  • aspiration biopsy
  • breast neoplasms
  • carcinoma
  • neuroendocrine system

ASJC Scopus subject areas

  • Anatomy
  • Cell Biology
  • Histology

Cite this

Fine needle aspiration cytology of a male breast carcinoma exhibiting neuroendocrine differentiation : Report of a case with immunohistochemical, flow cytometric and ultrastructural analysis. / Feczko, J. D.; Rosales, R. N.; Cramer, Harvey; Goulet, R. J.; Tao, L. C.

In: Acta Cytologica, Vol. 39, No. 4, 1995, p. 803-808.

Research output: Contribution to journalArticle

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