A rare case of lymphoma presenting as a seemingly benign scalp mass

Autor: Kathryn Landers, Kelly Daniels, Peter Ciolek, Richard Goldman, Howard Krein
Jazyk: angličtina
Rok vydání: 2020
Předmět:
Zdroj: Otolaryngology Case Reports, Vol 14, Iss , Pp - (2020)
Druh dokumentu: article
ISSN: 2468-5488
DOI: 10.1016/j.xocr.2019.100137
Popis: Objective: To describe a rare case of lymphoma presenting as a seemingly benign scalp mass. Methods: A chart review and review of radiological imaging was performed. The information reviewed was collected between November 2018 and January 2019. The chart review focused on one patient with an unusual presentation of lymphoma who was treated at a large academic medical center in January 2019. Results: A 70-year-old woman presented with a left forehead mass which had been present for several months and had grown in size since onset. She had no pain or constitutional symptoms but was noted to have a compressible mass in the subcutaneous tissue of the left forehead on exam. An ultrasound of the lesion was consistent with a sebaceous cyst. The patient underwent attempted surgical excision of this mass, but no cyst was identified. Intraoperatively, there was noted to be a polypoid soft tissue mass deep to the periosteum with an associated palpable calvarial defect. Biopsy of this lesion revealed diffuse large B-cell lymphoma. A postoperative CT revealed a large expansile lytic lesion of the anterior frontal bone with extra-axial and subgaleal extension. The patient was referred to a medical oncologist for further evaluation and management of diffuse large B-cell lymphoma. Conclusions: Appropriate caution is warranted with head and neck masses even when seemingly benign, as malignant pathology involving critical structures may sometimes be encountered unexpectedly. Keywords: Lymphoma, Sebaceous cyst, Ultrasound
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