Journal of Clinical and Diagnostic Research, ISSN - 0973 - 709X

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Case report
Year : 2017 | Month : February | Volume : 11 | Issue : 2 | Page : ED06 - ED07

Invasive Papillary Carcinoma of the Male Breast Misdiagnosed as Fibroadenoma on FNAB

Richa Katiyar, Shashikant C.U. Patne, Sandip Kumar, Rahul Khanna

1. Service Senior Resident, Department of Pathology, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India. 2. Assistant Professor, Department of Pathology, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India. 3. Assistant Professor, Department of Pathology, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India. 4. Professor, Department of General Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India.

Correspondence Address :
Dr. Shashikant C.U. Patne,
Department of Pathology, Institute of Medical Sciences, Banaras Hindu University,
Varanasi-221005, Uttar Pradesh, India.
Email: scup.pathology08@gmail.com

Abstract

Male breast cancers constitute less than 1% of all the breast cancers. Papillary carcinoma is a very rare tumour of the male breast. Due to rarity, Fine Needle Aspiration Biopsy (FNAB) findings of papillary carcinoma in male breast are seldom reported. A 55-year-old male presented with a lump in the left breast of two years’ duration. FNAB was reported as fibroadenoma. Histopathological examination of the excised breast lump revealed invasive papillary carcinoma. Immunohistochemistry showed expression of pancytokeratin, oestrogen receptor, and progesterone receptor. Negative immunostaining was seen for HER2, p53, 34bE12, and CD34. Ki-67 proliferative index was 5%. We have discussed cytological findings of invasive papillary carcinoma and its differential diagnoses. Cytopathologists must be aware of cytologic findings of invasive papillary carcinoma of the male breast.

Keywords

Cytology, Immunohistochemistry, Hormone receptors, Malignant

DOI and Others

DOI: 10.7860/JCDR/2017/24832.9211

Date of Submission: Oct 16, 2016
Date of Peer Review: Nov 07, 2016
Date of Acceptance: Nov 28, 2016
Date of Publishing: Feb 01, 2017

Financial OR OTHER COMPETING INTERESTS: None.

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