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Case report of a large lactating adenoma with rapid antepartum enlargement.
Int J Surg Case Rep. 2016; 20:127-9.IJ

Abstract

INTRODUCTION

Lactating adenomas are rare benign breast tumors, most commonly found during pregnancy and lactation. They are usually slow growing and smaller than 3cm in maximal diameter. Rare cases of giant lactating adenomas and rapid postpartum enlargement have been reported, but none have shown a giant lactating adenoma with rapid antepartum enlargement or antepartum surgical management.

CASE PRESENTATION

A 27 year-old pregnant woman presented at 28 weeks gestation with a 5cm left breast mass that doubled to 10cm within six weeks and was increasingly tender. Histopathologic examination of a core biopsy was consistent with a lactating adenoma. The mass was excised at 31 weeks gestation with no complications.

DISCUSSION

Lactating adenomas are common during pregnancy and need to be distinguished from breast cancer, a commonly diagnosed malignancy in pregnancy. They can be distinguished from carcinoma and other benign tumors like fibroadenoma under histopathologic examination. Rare cases of giant lactating adenomas with rapid postpartum enlargement that were managed by postpartum excision have been reported. However, a giant lactating adenoma with rapid antepartum enlargement, managed by excision in the third trimester of pregnancy, has not been reported.

CONCLUSION

Excision of a large, rapidly enlarging lactating adenoma in the third trimester of pregnancy is a safe and feasible management option.

Authors+Show Affiliations

Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States. Electronic address: cteng517@gmail.com.Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States; Division of Breast Surgical Oncology, Magee-Womens Hospital of UPMC, Pittsburgh, PA, United States. Electronic address: diegoe@upmc.edu.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

26855073

Citation

Teng, Cindy Y., and Emilia J. Diego. "Case Report of a Large Lactating Adenoma With Rapid Antepartum Enlargement." International Journal of Surgery Case Reports, vol. 20, 2016, pp. 127-9.
Teng CY, Diego EJ. Case report of a large lactating adenoma with rapid antepartum enlargement. Int J Surg Case Rep. 2016;20:127-9.
Teng, C. Y., & Diego, E. J. (2016). Case report of a large lactating adenoma with rapid antepartum enlargement. International Journal of Surgery Case Reports, 20, 127-9. https://doi.org/10.1016/j.ijscr.2016.01.027
Teng CY, Diego EJ. Case Report of a Large Lactating Adenoma With Rapid Antepartum Enlargement. Int J Surg Case Rep. 2016;20:127-9. PubMed PMID: 26855073.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Case report of a large lactating adenoma with rapid antepartum enlargement. AU - Teng,Cindy Y, AU - Diego,Emilia J, Y1 - 2016/01/25/ PY - 2015/11/03/received PY - 2015/12/24/revised PY - 2016/01/20/accepted PY - 2016/2/9/entrez PY - 2016/2/9/pubmed PY - 2016/2/9/medline KW - Breast mass KW - Lactating adenoma KW - Pregnancy SP - 127 EP - 9 JF - International journal of surgery case reports JO - Int J Surg Case Rep VL - 20 N2 - INTRODUCTION: Lactating adenomas are rare benign breast tumors, most commonly found during pregnancy and lactation. They are usually slow growing and smaller than 3cm in maximal diameter. Rare cases of giant lactating adenomas and rapid postpartum enlargement have been reported, but none have shown a giant lactating adenoma with rapid antepartum enlargement or antepartum surgical management. CASE PRESENTATION: A 27 year-old pregnant woman presented at 28 weeks gestation with a 5cm left breast mass that doubled to 10cm within six weeks and was increasingly tender. Histopathologic examination of a core biopsy was consistent with a lactating adenoma. The mass was excised at 31 weeks gestation with no complications. DISCUSSION: Lactating adenomas are common during pregnancy and need to be distinguished from breast cancer, a commonly diagnosed malignancy in pregnancy. They can be distinguished from carcinoma and other benign tumors like fibroadenoma under histopathologic examination. Rare cases of giant lactating adenomas with rapid postpartum enlargement that were managed by postpartum excision have been reported. However, a giant lactating adenoma with rapid antepartum enlargement, managed by excision in the third trimester of pregnancy, has not been reported. CONCLUSION: Excision of a large, rapidly enlarging lactating adenoma in the third trimester of pregnancy is a safe and feasible management option. SN - 2210-2612 UR - https://www.unboundmedicine.com/medline/citation/26855073/Case_report_of_a_large_lactating_adenoma_with_rapid_antepartum_enlargement_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S2210-2612(16)00038-9 DB - PRIME DP - Unbound Medicine ER -
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