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Leiomyosarcoma of the Scrotum: A Case Report
Hwang Ji Yeong,Kim Keum Won,Ryu Rae Rim,Kim Young Joong,Oh Dong Hyun,Kim Hyeong Chun 대한자기공명의과학회 2023 Investigative Magnetic Resonance Imaging Vol.27 No.1
Leiomyosarcoma (LMS) within the scrotum is a rare malignant genitourinary tumor in adults. Due to its rarity, a consensus on a clear approach to diagnosis and treatment guidelines has not yet been reached. We present a case of a paratesticular LMS in a 64-yearold man with a painless swelling of the right scrotum. Scrotal ultrasound and pelvic MRI were performed and revealed an extratesticular mass with a heterogeneous appearance. The patient underwent a right radical orchiectomy, and the mass was confirmed to be LMS, originating from the right spermatic cord. Preoperative diagnosis of LMS is challenging since it has overlapping clinical and imaging features with other sarcomas. MRI is a valuable imaging modality for the definitive characterization of the tumor. To provide timely and appropriate treatment, the correlation of the patient’s clinical information and imaging findings is necessary.
정상섭,김창미,허갑범,이현철,임승길,이은직,김경래,안광진,김미림,정윤석,이규창,유경자,윤도흠 대한내분비학회 1992 Endocrinology and metabolism Vol.7 No.3
We strudied the characterization and measurement of estrogen receptors in 21 patients with pituitary adenomas. The follwing results were obtained. 1) The concentrations of cytosolic estrogen receptors(fmole/mg protein) of lactotrope(241.2±93.8) and gonadotrope adenomas (308±138.1) were higher than those of somatotrope adenomas(49.4±19.2)(p$lt;0.05), but not different form those of corticotrope(151.4±40.3)and null cell adenomas(122.3±41.6). The concentrations of nuclear estrogen receptors of the pituitary adenomas were not significantly different from each others. 2) Macroprolactinoma had a high concentration of cytosolic(300.9±102.5 fmole/mg protein)and nuclear estrogen receptor(859.7±470.6 fmole/mg protein) comparing to microprolactinoma (62.2, 140.2 fmole/mg protein). 3) Srum prolactin levels had a correlation with the concentration of cytosolic estrogen receptors(r=0.66, p=0.001), but no correlation with nuclear estrogen receptors(r=0.12, p=0.3). 4) Cytosolic and nuclear estrogen receptors of the a(except corticotrope adenoma) with serum prolactin levels higher than 50ng/ml were higher than those of ones with prolactins lower than 50ng/ml. These results demonstrated the various levels of estrogen receptors in pituitary adenomas. The concentrations of estrogen receptors were higher in patients with high serum prolactin levels and macroprolactinomas. (J Kor Soc Endocrinol 7:208~215, 1992)