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Koufopoulos NI, Boutas I, Pouliakis A, Samaras MG, Kotanidis C, Kontogeorgi A, Dimas DT, Ieronimaki AI, Leventakou D, Spathis A, Zanelli M, Palicelli A, Zizzo M, Goutas D, Pateras IS, Panayiotides IG. The "Forgotten" Subtypes of Breast Carcinoma: A Systematic Review of Selected Histological Variants Not Included or Not Recognized as Distinct Entities in the Current World Health Organization Classification of Breast Tumors. Int J Mol Sci 2024; 25:8382. [PMID: 39125951 PMCID: PMC11313581 DOI: 10.3390/ijms25158382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2024] [Revised: 07/26/2024] [Accepted: 07/29/2024] [Indexed: 08/12/2024] Open
Abstract
Breast carcinoma is the most common cancer in women. Nineteen different subtypes of breast carcinomas are recognized in the current WHO classification of breast tumors. Except for these subtypes, there are a number of carcinomas with special morphologic and immunohistochemical features that are not included in the 5th WHO classification, while others are considered special morphologic patterns of invasive breast carcinoma of no special type. In this manuscript, we systematically review the literature on four different subtypes of invasive breast carcinoma, namely lymphoepithelioma-like breast carcinoma, breast carcinoma with osteoclast-like giant cells, signet-ring breast carcinoma, and metaplastic breast carcinoma with melanocytic differentiation. We describe their clinicopathological characteristics, focusing on the differential diagnosis, treatment, and prognosis.
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Affiliation(s)
- Nektarios I. Koufopoulos
- Second Department of Pathology, Medical School, National and Kapodistrian University of Athens, Attikon University Hospital, 15772 Athens, Greece; (A.P.); (I.G.P.)
| | - Ioannis Boutas
- Breast Unit, Rea Maternity Hospital, Palaio Faliro, 17564 Athens, Greece
| | - Abraham Pouliakis
- Second Department of Pathology, Medical School, National and Kapodistrian University of Athens, Attikon University Hospital, 15772 Athens, Greece; (A.P.); (I.G.P.)
| | - Menelaos G. Samaras
- Second Department of Pathology, Medical School, National and Kapodistrian University of Athens, Attikon University Hospital, 15772 Athens, Greece; (A.P.); (I.G.P.)
| | - Christakis Kotanidis
- Second Department of Pathology, Medical School, National and Kapodistrian University of Athens, Attikon University Hospital, 15772 Athens, Greece; (A.P.); (I.G.P.)
| | - Adamantia Kontogeorgi
- Third Department of Obstetrics and Gynecology, Medical School, National and Kapodistrian University of Athens, Attikon University Hospital, 15772 Athens, Greece
| | - Dionysios T. Dimas
- Breast Unit, Athens Medical Center, Psychiko Clinic, 11525 Athens, Greece
| | - Argyro-Ioanna Ieronimaki
- Second Department of Pathology, Medical School, National and Kapodistrian University of Athens, Attikon University Hospital, 15772 Athens, Greece; (A.P.); (I.G.P.)
| | - Danai Leventakou
- Second Department of Pathology, Medical School, National and Kapodistrian University of Athens, Attikon University Hospital, 15772 Athens, Greece; (A.P.); (I.G.P.)
| | - Aris Spathis
- Second Department of Pathology, Medical School, National and Kapodistrian University of Athens, Attikon University Hospital, 15772 Athens, Greece; (A.P.); (I.G.P.)
| | - Magda Zanelli
- Pathology Unit, Azienda Unita Sanitaria Locale-IRCCS di Reggio Emilia, 42123 Reggio Emilia, Italy
| | - Andrea Palicelli
- Pathology Unit, Azienda Unita Sanitaria Locale-IRCCS di Reggio Emilia, 42123 Reggio Emilia, Italy
| | - Maurizio Zizzo
- Surgical Oncology Unit, Azienda USL-IRCCS di Reggio Emilia, 42122 Reggio Emilia, Italy;
- Clinical and Experimental Medicine PhD Program, University of Modena and Reggio Emilia, 41121 Modena, Italy
| | - Dimitrios Goutas
- First Department of Pathology, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
| | - Ioannis S. Pateras
- Second Department of Pathology, Medical School, National and Kapodistrian University of Athens, Attikon University Hospital, 15772 Athens, Greece; (A.P.); (I.G.P.)
| | - Ioannis G. Panayiotides
- Second Department of Pathology, Medical School, National and Kapodistrian University of Athens, Attikon University Hospital, 15772 Athens, Greece; (A.P.); (I.G.P.)
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Hatano Y, Nakahama KI, Isobe M, Morita I. Tumor associated osteoclast-like giant cells promote tumor growth and lymphangiogenesis by secreting vascular endothelial growth factor-C. Biochem Biophys Res Commun 2014; 446:149-54. [DOI: 10.1016/j.bbrc.2014.02.113] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2014] [Accepted: 02/17/2014] [Indexed: 10/25/2022]
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Gjerdrum LM, Lauridsen MC, Sørensen FB. Breast carcinoma with osteoclast-like giant cells: morphological and ultrastructural studies of a case with review of the literature. Breast 2004; 10:231-6. [PMID: 14965590 DOI: 10.1054/brst.2000.0244] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Primary carcinoma with osteoclast-like giant cells is a very rare tumour of the female breast. The clinical course, histological, immunohistochemical and ultrastructural features of 61 cases of invasive duct carcinoma with osteoclast-like multinucleated giant cells (OMGCs) are reviewed and a new case is presented. The median patient age of all patients included in the review was 42 years, the tumour was located in the upper outer quadrant and the mammographic and gross findings were of a well-defined tumour of dark-brown colour, resembling a metastatic melanoma. Follow-up data in the literature have shown that 86% of patients with these tumours are still alive after 5 years. Histologically, these tumours are invasive ductal carcinomas with OMGCs next to the neoplastic glands and within their lumen. Signs of recent and past haemorrhage are ubiquitously present in the highly vascularized stroma. Immunohistochemical and ultrastructural studies have claimed a benign histiocytic nature of the OMGCs; they may represent a special type of polykaryon, distinct from both osteoclasts and inflammatory giant cells.
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Affiliation(s)
- L M Gjerdrum
- Institute of Pathology, Aarhus University Hospital, Aarhus, Denmark.
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