Here we present the case of a 38-year-old man with an incidentally found right upper lobe lung mass. The patient underwent thoracoscopic resection of the mass, which revealed a myxoid spindle cell lipoma. That is an exceedingly rare location for this tumor biology, and here we discuss its pathologic features and treatment options.
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http://dx.doi.org/10.1016/j.athoracsur.2019.08.093 | DOI Listing |
Dermatopathology (Basel)
November 2024
Department of Dermatology, Louisiana State University Health Sciences Center, New Orleans, LA 70112, USA.
Spindle cell lipoma (SCL) is a benign adipocytic tumor usually found in the subcutis of the posterior neck, upper back, and shoulder, predominantly in middle-aged males. This case report describes an atypical presentation of SCL in a 26-year-old male with a history of malignant melanoma. The patient presented with an erythematous plaque with central hyperpigmentation on the right upper arm, an uncommon location and presentation for SCL.
View Article and Find Full Text PDFSAGE Open Med Case Rep
December 2024
Department of Pathology, University of California San Francisco, UCSF, San Francisco, CA, USA.
Inflammatory myofibroblastic tumors (IMTs) are rare mesenchymal neoplasms characterized by spindle-cell morphology with accompanying inflammatory infiltrates. Originally described in 1939, these tumors can arise in various anatomic locations, with the urinary bladder being a rare site of occurrence but the most common within the genitourinary tract. IMTs typically present as polypoid masses or firm submucosal nodules, often with painless hematuria in bladder cases.
View Article and Find Full Text PDFInt J Surg Pathol
December 2024
Department of Orthopedics, Osaka General Medical Center, Osaka, Japan.
Nodular fasciitis is a benign, usually self-limiting myofibroblastic proliferation with a predilection for the upper extremities, trunk, and head and neck, and almost all of which harbor the fusion. Since nodular fasciitis is not widely recognized to arise within the joints, it may therefore cause diagnostic confusion in this uncommon setting. We report an unusual tumor of an 11-year-old patient who presented with a 6-month history of right elbow swelling and pain.
View Article and Find Full Text PDFCureus
November 2024
Obstetrics and Gynecology, Konan Medical Center, Kobe, JPN.
We present the first case of low-grade endometrial stromal sarcoma (ESS) invading a leiomyoma, which was difficult to diagnose preoperatively. A 49-year-old multiparous woman was referred to our institution due to the enlargement of an old leiomyoma after menopause. Transvaginal ultrasonography revealed a 40-mm lesion in the myometrium of the uterine body with calcification and edema.
View Article and Find Full Text PDFHistopathology
December 2024
Department of Pathology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.
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