Unusual Metastatic Patterns of Invasive Lobular Carcinoma of the Breast

Invasive lobular carcinoma of the breast has similar patterns of metastatic disease when compared to invasive ductal carcinoma; however, lobular carcinoma metastasizes to unusual sites more frequently. We present a 65-year-old female with a history of invasive lobular breast carcinoma (T3N3M0) treat...

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Main Authors: Justin D. Sobinsky, Thomas D. Willson, Francis J. Podbielski, Mark M. Connolly
Format: Article
Language:English
Published: Wiley 2013-01-01
Series:Case Reports in Oncological Medicine
Online Access:http://dx.doi.org/10.1155/2013/986517
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author Justin D. Sobinsky
Thomas D. Willson
Francis J. Podbielski
Mark M. Connolly
author_facet Justin D. Sobinsky
Thomas D. Willson
Francis J. Podbielski
Mark M. Connolly
author_sort Justin D. Sobinsky
collection DOAJ
description Invasive lobular carcinoma of the breast has similar patterns of metastatic disease when compared to invasive ductal carcinoma; however, lobular carcinoma metastasizes to unusual sites more frequently. We present a 65-year-old female with a history of invasive lobular breast carcinoma (T3N3M0) treated with modified radical mastectomy and aromatase-inhibitor therapy who underwent a surveillance PET scan, which showed possible sigmoid cancer. Colonoscopy with biopsy revealed a 3 cm sigmoid adenocarcinoma. The patient underwent a lower anterior resection. Pathology showed an ulcerated, invasive moderately differentiated adenocarcinoma extending into but not through the muscularis propria. However, six of seventeen paracolonic lymph nodes were positive for metastatic breast carcinoma (ER+/PR+), consistent with her lobular primary breast carcinoma; there was no evidence of metastatic colon cancer. This case highlights the unusual metastatic patterns of lobular carcinoma.
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spelling doaj-art-fdd4f6492f6e4681a1ce99bfa67ce63a2025-02-03T05:47:09ZengWileyCase Reports in Oncological Medicine2090-67062090-67142013-01-01201310.1155/2013/986517986517Unusual Metastatic Patterns of Invasive Lobular Carcinoma of the BreastJustin D. Sobinsky0Thomas D. Willson1Francis J. Podbielski2Mark M. Connolly3St. Joseph Hospital, Department of Surgery, 2900 North Lake Shore Drive, Chicago, IL 60657, USASt. Joseph Hospital, Department of Surgery, 2900 North Lake Shore Drive, Chicago, IL 60657, USASt. Joseph Hospital, Department of Surgery, 2900 North Lake Shore Drive, Chicago, IL 60657, USASt. Joseph Hospital, Department of Surgery, 2900 North Lake Shore Drive, Chicago, IL 60657, USAInvasive lobular carcinoma of the breast has similar patterns of metastatic disease when compared to invasive ductal carcinoma; however, lobular carcinoma metastasizes to unusual sites more frequently. We present a 65-year-old female with a history of invasive lobular breast carcinoma (T3N3M0) treated with modified radical mastectomy and aromatase-inhibitor therapy who underwent a surveillance PET scan, which showed possible sigmoid cancer. Colonoscopy with biopsy revealed a 3 cm sigmoid adenocarcinoma. The patient underwent a lower anterior resection. Pathology showed an ulcerated, invasive moderately differentiated adenocarcinoma extending into but not through the muscularis propria. However, six of seventeen paracolonic lymph nodes were positive for metastatic breast carcinoma (ER+/PR+), consistent with her lobular primary breast carcinoma; there was no evidence of metastatic colon cancer. This case highlights the unusual metastatic patterns of lobular carcinoma.http://dx.doi.org/10.1155/2013/986517
spellingShingle Justin D. Sobinsky
Thomas D. Willson
Francis J. Podbielski
Mark M. Connolly
Unusual Metastatic Patterns of Invasive Lobular Carcinoma of the Breast
Case Reports in Oncological Medicine
title Unusual Metastatic Patterns of Invasive Lobular Carcinoma of the Breast
title_full Unusual Metastatic Patterns of Invasive Lobular Carcinoma of the Breast
title_fullStr Unusual Metastatic Patterns of Invasive Lobular Carcinoma of the Breast
title_full_unstemmed Unusual Metastatic Patterns of Invasive Lobular Carcinoma of the Breast
title_short Unusual Metastatic Patterns of Invasive Lobular Carcinoma of the Breast
title_sort unusual metastatic patterns of invasive lobular carcinoma of the breast
url http://dx.doi.org/10.1155/2013/986517
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