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Malignant sweat gland tumor of breast arising in pre-existing benign tumor: A case report.
World J Clin Cases 2019; 7(19):3033-3038WJ

Abstract

BACKGROUND

Sweat glands belong to skin appendages. Sweat gland tumors are uncommon, especially when they occur as malignant tumors in the breast. We report a case of malignant sweat gland tumor of the breast, including imaging and pathological findings.

CASE SUMMARY

A 47-year-old woman visited our hospital with a non-tender palpable lesion in her left breast. The lesion had not shown changes for 10 years. However, it recently increased in size. Sonography showed a well circumscribed cystic lesion with internal debris and fluid-fluid level. Magnetic resonance imaging showed a well circumscribed oval mass with T1 hyper-intensity compared to muscle and T2 high signal intensity. There was a small enhancing mural component in the inner wall of the mass. The tumor was resected. Its pathologic result was a malignant transformation of benign sweat gland tumor such as hidradenoma. The lesion was treated with excision and radiation therapy. At 1-year follow up, there was no local recurrence or metastasis in the patient.

CONCLUSION

In the case of a rapid growing cystic mass in the nipple and subareola, it is necessary to distinguish it from a malignant sweat gland tumor.

Authors+Show Affiliations

Department of Radiology, Nowon Eulji Medical Center, Eulji University, Seoul 01830, South Korea. jkan0831@eulji.ac.kr.Department of Radiology, Nowon Eulji Medical Center, Eulji University, Seoul 01830, South Korea.Department of Pathology, Nowon Eulji Medical Center, Eulji University, Seoul 01830, South Korea.

Pub Type(s)

Case Reports

Language

eng

PubMed ID

31624751

Citation

An, Jin Kyung, et al. "Malignant Sweat Gland Tumor of Breast Arising in Pre-existing Benign Tumor: a Case Report." World Journal of Clinical Cases, vol. 7, no. 19, 2019, pp. 3033-3038.
An JK, Woo JJ, Hong YO. Malignant sweat gland tumor of breast arising in pre-existing benign tumor: A case report. World J Clin Cases. 2019;7(19):3033-3038.
An, J. K., Woo, J. J., & Hong, Y. O. (2019). Malignant sweat gland tumor of breast arising in pre-existing benign tumor: A case report. World Journal of Clinical Cases, 7(19), pp. 3033-3038. doi:10.12998/wjcc.v7.i19.3033.
An JK, Woo JJ, Hong YO. Malignant Sweat Gland Tumor of Breast Arising in Pre-existing Benign Tumor: a Case Report. World J Clin Cases. 2019 Oct 6;7(19):3033-3038. PubMed PMID: 31624751.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Malignant sweat gland tumor of breast arising in pre-existing benign tumor: A case report. AU - An,Jin Kyung, AU - Woo,Jeong Joo, AU - Hong,Young Ok, PY - 2019/05/28/received PY - 2019/08/22/revised PY - 2019/09/09/accepted PY - 2019/10/19/entrez PY - 2019/10/19/pubmed PY - 2019/10/19/medline KW - Breast KW - Magnetic resonance imaging KW - Sweat gland neoplasm KW - Ultrasonography SP - 3033 EP - 3038 JF - World journal of clinical cases JO - World J Clin Cases VL - 7 IS - 19 N2 - BACKGROUND: Sweat glands belong to skin appendages. Sweat gland tumors are uncommon, especially when they occur as malignant tumors in the breast. We report a case of malignant sweat gland tumor of the breast, including imaging and pathological findings. CASE SUMMARY: A 47-year-old woman visited our hospital with a non-tender palpable lesion in her left breast. The lesion had not shown changes for 10 years. However, it recently increased in size. Sonography showed a well circumscribed cystic lesion with internal debris and fluid-fluid level. Magnetic resonance imaging showed a well circumscribed oval mass with T1 hyper-intensity compared to muscle and T2 high signal intensity. There was a small enhancing mural component in the inner wall of the mass. The tumor was resected. Its pathologic result was a malignant transformation of benign sweat gland tumor such as hidradenoma. The lesion was treated with excision and radiation therapy. At 1-year follow up, there was no local recurrence or metastasis in the patient. CONCLUSION: In the case of a rapid growing cystic mass in the nipple and subareola, it is necessary to distinguish it from a malignant sweat gland tumor. SN - 2307-8960 UR - https://www.unboundmedicine.com/medline/citation/31624751/Malignant_sweat_gland_tumor_of_breast_arising_in_pre-existing_benign_tumor:_A_case_report L2 - http://www.wjgnet.com/2307-8960/full/v7/i19/3033.htm DB - PRIME DP - Unbound Medicine ER -
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