Sean R Williamson
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Explore the profile of Sean R Williamson including associated specialties, affiliations and a list of published articles.
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209
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2309
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Recent Articles
1.
Downes M, Lajkosz K, Algaba F, Allory Y, Amin M, Cheng L, et al.
Histopathology
. 2025 Mar;
PMID: 40058790
Aims: A hybrid-three tier system with low grade (LG), high grade- G2 (HG-G2), high grade- G3 (HG-G3) has been proposed in recognition of, and to help address, the clinical heterogeneity...
2.
Bhattarai R, McKenney J, Alaghehbandan R, Liu X, Cox R, Myles J, et al.
Am J Surg Pathol
. 2025 Feb;
PMID: 39995242
Atypical intraductal proliferation (AIP) of the prostate is characterized by morphologic features exceeding that of high-grade prostatic intraepithelial neoplasia but not meeting strict diagnostic criteria for intraductal carcinoma. We examined...
3.
Collins K, Innani S, Ebare K, Saad M, Siegmund S, Williamson S, et al.
Arch Pathol Lab Med
. 2025 Feb;
PMID: 39957180
Context.—: Distinguishing between renal oncocytic tumors, such as renal oncocytoma (RO), and a subset of tumors with overlapping characteristics, including the recently identified low-grade oncocytic tumor (LOT), can present a...
4.
Nguyen N, Gosnell H, Pacheco R, Akgul M, Williamson S, Sangoi A
Int J Surg Pathol
. 2025 Feb;
:10668969241309941.
PMID: 39911022
Based on the eighth edition of the American Joint Committee on Cancer staging system, postpubertal germ cell tumors (GCT) and malignant sex cord-stromal tumors (SCST) of the testis invading hilar...
5.
Zalles N, Williamson S
Surg Pathol Clin
. 2025 Jan;
18(1):133-155.
PMID: 39890301
Diagnostic challenges remain among the common renal cell carcinoma (RCC) subtypes. High-grade clear cell RCC may have deceptive patterns, for example BAP1-deficient tumors. Subtyping type 1 and 2 papillary RCC...
6.
Chaachou-Charradi A, Bague S, Medina C, Lavernia J, Claramunt R, Guerrero J, et al.
Int J Surg Pathol
. 2025 Jan;
10668969241308205.
PMID: 39865727
Extra-skeletal Ewing sarcoma is a rare tumor, most commonly occurring in the paravertebral region, extremities, retroperitoneum, and very rarely in visceral locations. We present two primary visceral Ewing sarcomas confirmed...
7.
Cheng A, Wu D, Friedman L, Chan E, Williamson S, Galea L, et al.
Virchows Arch
. 2025 Jan;
PMID: 39862330
Beyond the more common TFE3 fusion partners PRCC, ASPSCR1, and SFPQ, additional less common fusion partners of TFE3-rearranged renal cell carcinoma (RCC) have been described. Herein, we present an example...
8.
Mubeen A, Pacheco R, Akgul M, Williamson S, Collins K, Chan E, et al.
Ann Diagn Pathol
. 2025 Jan;
75:152440.
PMID: 39826481
Gamna-Gandy (GG) bodies are sclerosiderotic nodules composed of iron pigment and calcium, that have been described predominantly in the spleens of patients with sickle cell disease. Their formal depiction in...
9.
Faraz M, Rosenzweig A, Panizo A, Hajiyeva S, Subasi N, Alghamdi M, et al.
Ann Diagn Pathol
. 2025 Jan;
75:152436.
PMID: 39793165
Intrarenal hemangiomas lack concise clinicopathologic information, due to the predominance of single case reports and inclusion of other vascular neoplasms and hemangiomas of perirenal, hilar, and renal vein origin. Herein,...
10.
Sangoi A, Shahabi A, Hirsch M, Kao C, Deebajah M, Barletta J, et al.
Am J Clin Pathol
. 2024 Dec;
PMID: 39720998
Objectives: Urothelial carcinoma in situ (CIS) with early papillary formation is terminology sometimes used to suggest incipient high-grade papillary urothelial carcinoma (PUC) but may lead to confusion between true CIS...