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Gleason score 5+3=8 (grade group 4) prostate cancer - a rare occurrence with contemporary grading.

Kryvenko ON, Williamson SR, Schwartz LE, Epstein JI.

Hum Pathol. 2020 Jan 7. pii: S0046-8177(19)30207-2. doi: 10.1016/j.humpath.2019.11.002. [Epub ahead of print]


Reporting Practices and Resource Utilization in the Era of Intraductal Carcinoma of the Prostate: A Survey of Genitourinary Subspecialists.

Gandhi JS, Smith SC, Paner GP, McKenney JK, Sekhri R, Osunkoya AO, Baras AS, DeMarzo AM, Cheville JC, Rafael JE, Trpkov K, Colecchia M, Ro JY, Montironi R, Menon S, Hes O, Williamson SR, Hirsch MS, Netto GJ, Fine SW, Sirohi D, Kaushal S, Sangoi A, Robinson BD, Kweldam CF, Humphrey PA, Hansel DE, Schultz L, Magi-Galluzzi C, Przybycin CG, Shah RB, Mehra R, Kunju LP, Aron M, Kryvenko ON, Kench JG, Kuroda N, Tavora F, van der Kwast T, Grignon DJ, Epstein JI, Reuter VE, Amin MB.

Am J Surg Pathol. 2019 Dec 23. doi: 10.1097/PAS.0000000000001417. [Epub ahead of print]


Micropapillary urothelial carcinoma of urinary bladder displays immunophenotypic features of luminal and p53-like subtypes and is not a variant of adenocarcinoma.

Yang Y, Kaimakliotis HZ, Williamson SR, Koch MO, Huang K, Barboza MP, Zhang S, Wang M, Idrees MT, Grignon DJ, Eble JN, Baldridge LA, Cheng L.

Urol Oncol. 2019 Nov 15. pii: S1078-1439(19)30419-3. doi: 10.1016/j.urolonc.2019.10.013. [Epub ahead of print]


Atypical Lipomatous Tumor/Well-Differentiated Liposarcoma With Features Mimicking Spindle Cell Lipoma.

Jebastin JAS, Perry KD, Chitale DA, Mott MP, Sanchez J, Fritchie KJ, Palanisamy N, Williamson SR.

Int J Surg Pathol. 2019 Oct 31:1066896919884648. doi: 10.1177/1066896919884648. [Epub ahead of print]


TFEB Expression Profiling in Renal Cell Carcinomas: Clinicopathologic Correlations.

Gupta S, Argani P, Jungbluth AA, Chen YB, Tickoo SK, Fine SW, Gopalan A, Al-Ahmadie HA, Sirintrapun SJ, Sanchez A, Hakimi AA, Mcfarlane T, Salazar PA, Williamson SR, Skala SL, Mehra R, Hes O, Antonescu CR, Ladanyi M, Arcila ME, Reuter VE.

Am J Surg Pathol. 2019 Nov;43(11):1445-1461. doi: 10.1097/PAS.0000000000001307.


Clonal evaluation of early onset prostate cancer by expression profiling of ERG, SPINK1, ETV1, and ETV4 on whole-mount radical prostatectomy tissue.

Lu Z, Williamson SR, Carskadon S, Arachchige PD, Dhamdhere G, Schultz DS, Stricker H, Peabody JO, Jeong W, Chitale DA, Bismar TA, Rogers CG, Menon M, Gupta NS, Palanisamy N.

Prostate. 2020 Jan;80(1):38-50. doi: 10.1002/pros.23914. Epub 2019 Oct 4.


Recurrent KRAS mutations in papillary renal neoplasm with reverse polarity.

Al-Obaidy KI, Eble JN, Nassiri M, Cheng L, Eldomery MK, Williamson SR, Sakr WA, Gupta N, Hassan O, Idrees MT, Grignon DJ.

Mod Pathol. 2019 Sep 18. doi: 10.1038/s41379-019-0362-1. [Epub ahead of print]


A Clinicopathologic and Molecular Analysis of Fumarate Hydratase-deficient Renal Cell Carcinoma in 32 Patients.

Lau HD, Chan E, Fan AC, Kunder CA, Williamson SR, Zhou M, Idrees MT, Maclean FM, Gill AJ, Kao CS.

Am J Surg Pathol. 2020 Jan;44(1):98-110. doi: 10.1097/PAS.0000000000001372.


Pseudogene Associated Recurrent Gene Fusion in Prostate Cancer.

Chakravarthi BV, Dedigama-Arachchige P, Carskadon S, Sundaram SK, Li J, Wu KH, Chandrashekar DS, Peabody JO, Stricker H, Hwang C, Chitale DA, Williamson SR, Gupta NS, Navone NM, Rogers C, Menon M, Varambally S, Palanisamy N.

Neoplasia. 2019 Oct;21(10):989-1002. doi: 10.1016/j.neo.2019.07.010. Epub 2019 Aug 22.


Renal cell tumors with an entrapped papillary component: a collision with predilection for oncocytic tumors.

Williamson SR, Cheng L, Gadde R, Giannico GA, Wasco MJ, Taylor Smith PJ, Gupta NS, Grignon DJ, Jorda M, Kryvenko ON.

Virchows Arch. 2019 Aug 23. doi: 10.1007/s00428-019-02648-z. [Epub ahead of print]


A rare case of non-functioning bladder paraganglioma treated with robotic assisted partial cystectomy.

Alanee S, Williamson SR, Gupta NS.

Urol Case Rep. 2019 Jun 25;26:100950. doi: 10.1016/j.eucr.2019.100950. eCollection 2019 Sep.


Renal cell carcinomas with a mesenchymal stromal component: what do we know so far?

Williamson SR.

Pathology. 2019 Aug;51(5):453-462. doi: 10.1016/j.pathol.2019.04.006. Epub 2019 Jun 29. Review.


MYB-NFIB gene fusion in prostatic basal cell carcinoma: clinicopathologic correlates and comparison with basal cell adenoma and florid basal cell hyperplasia.

Magers MJ, Iczkowski KA, Montironi R, Grignon DJ, Zhang S, Williamson SR, Yang X, Wang M, Osunkoya AO, Lopez-Beltran A, Hes O, Eble JN, Cheng L.

Mod Pathol. 2019 Nov;32(11):1666-1674. doi: 10.1038/s41379-019-0297-6. Epub 2019 Jun 12.


Papillary Renal Neoplasm With Reverse Polarity: A Morphologic, Immunohistochemical, and Molecular Study.

Al-Obaidy KI, Eble JN, Cheng L, Williamson SR, Sakr WA, Gupta N, Idrees MT, Grignon DJ.

Am J Surg Pathol. 2019 Aug;43(8):1099-1111. doi: 10.1097/PAS.0000000000001288.


A propensity score matched analysis of the effects of African American race on the characteristics of regions of interests detected by magnetic resonance imaging of the prostate.

Deebajah M, Keeley J, Park H, Pantelic M, Gupta N, Williamson SR, Peabody J, Menon M, Dabaja A, Alanee S.

Urol Oncol. 2019 Aug;37(8):531.e1-531.e5. doi: 10.1016/j.urolonc.2019.03.017. Epub 2019 Apr 18.


High-grade oncocytic tumour (HOT) of kidney in a patient with tuberous sclerosis complex.

Trpkov K, Bonert M, Gao Y, Kapoor A, He H, Yilmaz A, Gill AJ, Williamson SR, Comperat E, Tretiakova M, Magi-Galluzzi C, Brimo F, Hes O.

Histopathology. 2019 Sep;75(3):440-442. doi: 10.1111/his.13876. Epub 2019 Jul 2. No abstract available.


Low-grade oncocytic tumour of kidney (CD117-negative, cytokeratin 7-positive): a distinct entity?

Trpkov K, Williamson SR, Gao Y, Martinek P, Cheng L, Sangoi AR, Yilmaz A, Wang C, San Miguel Fraile P, Perez Montiel DM, Bulimbasić S, Rogala J, Hes O.

Histopathology. 2019 Aug;75(2):174-184. doi: 10.1111/his.13865. Epub 2019 Mar 21.


Autoamputation of Dermatofibrosarcoma Protuberans: A Novel and Rare Presentation of a Familiar Entity.

Jebastin Thangaiah J, Williamson SR, Pimentel J, Perry K.

Int J Surg Pathol. 2019 Aug;27(5):531-534. doi: 10.1177/1066896919832658. Epub 2019 Feb 27.


Prostate cancer with comedonecrosis is frequently, but not exclusively, intraductal carcinoma: a need for reappraisal of grading criteria.

Madan R, Deebajah M, Alanee S, Gupta NS, Carskadon S, Palanisamy N, Williamson SR.

Histopathology. 2019 Jun;74(7):1081-1087. doi: 10.1111/his.13833. Epub 2019 Apr 29.


Renal cell carcinoma staging: pitfalls, challenges, and updates.

Williamson SR, Taneja K, Cheng L.

Histopathology. 2019 Jan;74(1):18-30. doi: 10.1111/his.13743. Review.


Staging of bladder cancer.

Magers MJ, Lopez-Beltran A, Montironi R, Williamson SR, Kaimakliotis HZ, Cheng L.

Histopathology. 2019 Jan;74(1):112-134. doi: 10.1111/his.13734. Review.


Updates in Pathologic Staging and Histologic Grading of Renal Cell Carcinoma.

Taneja K, Williamson SR.

Surg Pathol Clin. 2018 Dec;11(4):797-812. doi: 10.1016/j.path.2018.07.004. Epub 2018 Oct 17. Review.


"High-grade oncocytic renal tumor": morphologic, immunohistochemical, and molecular genetic study of 14 cases.

He H, Trpkov K, Martinek P, Isikci OT, Maggi-Galuzzi C, Alaghehbandan R, Gill AJ, Tretiakova M, Lopez JI, Williamson SR, Montiel DP, Sperga M, Comperat E, Brimo F, Yilmaz A, Pivovarcikova K, Michalova K, Slouka D, Prochazkova K, Hora M, Bonert M, Michal M, Hes O.

Virchows Arch. 2018 Dec;473(6):725-738. doi: 10.1007/s00428-018-2456-4. Epub 2018 Sep 19.


Immunohistochemical characteristics of renomedullary interstitial cell tumor: a study of 41 tumors with emphasis on differential diagnosis of mesenchymal neoplasms.

Lu Z, Al-Obaidy K, Cheng L, Perry KD, Grignon DJ, Williamson SR.

Hum Pathol. 2018 Dec;82:46-50. doi: 10.1016/j.humpath.2018.07.010. Epub 2018 Jul 18.


Pathological staging of renal cell carcinoma: a review of 300 consecutive cases with emphasis on retrograde venous invasion.

Taneja K, Arora S, Rogers CG, Gupta NS, Williamson SR.

Histopathology. 2018 Oct;73(4):681-691. doi: 10.1111/his.13672. Epub 2018 Aug 6.


Challenges in Pathologic Staging of Renal Cell Carcinoma: A Study of Interobserver Variability Among Urologic Pathologists.

Williamson SR, Rao P, Hes O, Epstein JI, Smith SC, Picken MM, Zhou M, Tretiakova MS, Tickoo SK, Chen YB, Reuter VE, Fleming S, Maclean FM, Gupta NS, Kuroda N, Delahunt B, Mehra R, Przybycin CG, Cheng L, Eble JN, Grignon DJ, Moch H, Lopez JI, Kunju LP, Tamboli P, Srigley JR, Amin MB, Martignoni G, Hirsch MS, Bonsib SM, Trpkov K.

Am J Surg Pathol. 2018 Sep;42(9):1253-1261. doi: 10.1097/PAS.0000000000001087.


Association between cadmium and androgen receptor protein expression differs in prostate tumors of African American and European American men.

Neslund-Dudas CM, McBride RB, Kandegedara A, Rybicki BA, Kryvenko ON, Chitale D, Gupta N, Williamson SR, Rogers CG, Cordon-Cardo C, Rundle AG, Levin AM, Dou QP, Mitra B.

J Trace Elem Med Biol. 2018 Jul;48:233-238. doi: 10.1016/j.jtemb.2018.04.006. Epub 2018 Apr 13.


Pseudosarcomatous myofibroblastic proliferations of the genitourinary tract are genetically different from nodular fasciitis and lack USP6, ROS1 and ETV6 gene rearrangements.

Jebastin JAS, Smith SC, Perry KD, Gupta NS, Alanee S, Carskadon S, Chitale DA, Palanisamy N, Williamson SR.

Histopathology. 2018 Aug;73(2):321-326. doi: 10.1111/his.13526. Epub 2018 May 30.


Chromophobe Renal Cell Carcinoma With Retrograde Venous Invasion and Gain of Chromosome 21: Potential Harbingers of Aggressive Clinical Behavior.

Jamal M, Taneja K, Arora S, Barod R, Rogers CG, Sanchez J, Gupta NS, Williamson SR.

Int J Surg Pathol. 2018 Sep;26(6):536-541. doi: 10.1177/1066896918763948. Epub 2018 Mar 21.


Vasitis nodosa and related lesions: a modern immunohistochemical staining profile with special emphasis on novel diagnostic dilemmas.

Kezlarian BE, Cheng L, Gupta NS, Williamson SR.

Hum Pathol. 2018 Mar;73:164-170. doi: 10.1016/j.humpath.2017.12.001. Epub 2017 Dec 11.


Renal Complications of Hematopoietic Stem Cell Transplantation: Report of a Case and Review of the Literature.

Liquete E, Williamson SR, Janakiraman N, Venkat KK.

Indian J Nephrol. 2017 Nov-Dec;27(6):468-471. doi: 10.4103/ijn.IJN_230_16.


Renal cell carcinoma with angioleiomyoma-like stroma and clear cell papillary renal cell carcinoma: exploring SDHB protein immunohistochemistry and the relationship to tuberous sclerosis complex.

Williamson SR, Hornick JL, Eble JN, Gupta NS, Rogers CG, True L, Grignon DJ, Cheng L.

Hum Pathol. 2018 May;75:10-15. doi: 10.1016/j.humpath.2017.11.013. Epub 2017 Nov 24.


Biphasic papillary renal cell carcinoma is a rare morphological variant with frequent multifocality: a study of 28 cases.

Trpkov K, Athanazio D, Magi-Galluzzi C, Yilmaz H, Clouston D, Agaimy A, Williamson SR, Brimo F, Lopez JI, Ulamec M, Rioux-Leclercq N, Kassem M, Gupta N, Hartmann A, Leroy X, Bashir SA, Yilmaz A, Hes O.

Histopathology. 2018 Apr;72(5):777-785. doi: 10.1111/his.13432. Epub 2018 Jan 24.


Unclassified hemangioma-like renal cell carcinoma: a potential diagnostic pitfall.

Taneja K, Arora S, Rogers CG, Gupta NS, Cheng L, Williamson SR.

Hum Pathol. 2018 May;75:132-136. doi: 10.1016/j.humpath.2017.09.015. Epub 2018 Apr 18.


Modern Pathologic Diagnosis of Renal Oncocytoma.

Wobker SE, Williamson SR.

J Kidney Cancer VHL. 2017 Oct 9;4(4):1-12. doi: 10.15586/jkcvhl.2017.96. eCollection 2017. Review.


Pleomorphic fibroma of the skin with MDM2 immunoreactivity: A potential diagnostic pitfall.

Tashakori M, Pimentel J, Howitt BE, Sanchez J, Michalowski S, Chitale D, Ormsby AH, Williamson SR.

J Cutan Pathol. 2018 Jan;45(1):59-62. doi: 10.1111/cup.13052. Epub 2017 Nov 8.


Reply to Chou et al 'Do significant TFE3 gene rearrangements occur in succinate dehydrogenase deficient renal cell carcinoma? Borderline FISH results should be interpreted with caution' Mod Pathol 2017; in press.

Williamson SR, Grignon DJ, Calió A, Stohr BA, Eble JN, Cheng L.

Mod Pathol. 2017 Oct;30(10):1509-1511. doi: 10.1038/modpathol.2017.84. No abstract available.


CK20 and p53 Immunohistochemical Staining Patterns in Urinary Bladder Specimens With Equivocal Atypia.

Arias-Stella JA 3rd, Shah AB, Gupta NS, Williamson SR.

Arch Pathol Lab Med. 2018 Jan;142(1):64-69. doi: 10.5858/arpa.2016-0411-OA. Epub 2017 Oct 2.


Distinct clinicopathological features in metanephric adenoma harboring BRAF mutation.

Caliò A, Eble JN, Hes O, Martignoni G, Harari SE, Williamson SR, Brunelli M, Osunkoya AO, Wang L, Comperat E, Lopez-Beltran A, Wang M, Zhang S, Curless KL, Post KM, Chang HY, Luchini C, Baldrige LA, MacLennan GT, Montironi R, Grignon DJ, Cheng L.

Oncotarget. 2016 Aug 8;8(33):54096-54105. doi: 10.18632/oncotarget.11117. eCollection 2017 Aug 15.


Morphological spectrum of renal cell carcinoma, unclassified: an analysis of 136 cases.

Perrino CM, Grignon DJ, Williamson SR, Idrees MT, Eble JN, Cheng L.

Histopathology. 2018 Jan;72(2):305-319. doi: 10.1111/his.13362. Epub 2017 Oct 24.


Renal cell tumors with clear cell histology and intact VHL and chromosome 3p: a histological review of tumors from the Cancer Genome Atlas database.

Favazza L, Chitale DA, Barod R, Rogers CG, Kalyana-Sundaram S, Palanisamy N, Gupta NS, Williamson SR.

Mod Pathol. 2017 Nov;30(11):1603-1612. doi: 10.1038/modpathol.2017.72. Epub 2017 Jul 21.


Müllerian Adenosarcoma of the Urinary Bladder: Clinicopathologic and Immunohistochemical Features With Novel Genetic Aberrations.

Sanfrancesco J, Williamson SR, Kum JB, Zhang S, Wang M, Lopez-Beltran A, Montironi R, Gardner TA, Cheng L.

Clin Genitourin Cancer. 2017 Dec;15(6):e1007-e1014. doi: 10.1016/j.clgc.2017.05.020. Epub 2017 May 25.


Pericytic tumors of the kidney-a clinicopathologic analysis of 17 cases.

Sirohi D, Smith SC, Epstein JI, Balzer BL, Simko JP, Balitzer D, Benhamida J, Kryvenko ON, Gupta NS, Paluru S, da Cunha IW, Leal DN, Williamson SR, de Peralta-Venturina M, Amin MB.

Hum Pathol. 2017 Jun;64:106-117. doi: 10.1016/j.humpath.2017.04.005. Epub 2017 Apr 21.


Diagnostic criteria for oncocytic renal neoplasms: a survey of urologic pathologists.

Williamson SR, Gadde R, Trpkov K, Hirsch MS, Srigley JR, Reuter VE, Cheng L, Kunju LP, Barod R, Rogers CG, Delahunt B, Hes O, Eble JN, Zhou M, McKenney JK, Martignoni G, Fleming S, Grignon DJ, Moch H, Gupta NS.

Hum Pathol. 2017 May;63:149-156. doi: 10.1016/j.humpath.2017.03.004. Epub 2017 Mar 14.


#InSituPathologists: how the #USCAP2015 meeting went viral on Twitter and founded the social media movement for the United States and Canadian Academy of Pathology.

Cohen D, Allen TC, Balci S, Cagle PT, Teruya-Feldstein J, Fine SW, Gondim DD, Hunt JL, Jacob J, Jewett K, Jiang X', Kaplan KJ, Kulac I, Meunier R, Riddle ND, Rush PS, Stall J, Stuart LN, Terrano D, Uthman E, Wasco MJ, Williamson SR, Wu RI, Gardner JM.

Mod Pathol. 2017 Feb;30(2):160-168. doi: 10.1038/modpathol.2016.223. Epub 2017 Jan 13.


TERT promoter mutation status in sarcomatoid urothelial carcinomas of the upper urinary tract.

Wang X, Lopez-Beltran A, Osunkoya AO, Wang M, Zhang S, Davidson DD, Emerson RE, Williamson SR, Tan PH, Kaimakliotis HZ, Baldridge LA, MacLennan GT, Montironi R, Cheng L.

Future Oncol. 2017 Apr;13(8):705-714. doi: 10.2217/fon-2016-0414. Epub 2017 Jan 5.


Renal Cell Carcinoma With Chromosome 6p Amplification Including the TFEB Gene: A Novel Mechanism of Tumor Pathogenesis?

Williamson SR, Grignon DJ, Cheng L, Favazza L, Gondim DD, Carskadon S, Gupta NS, Chitale DA, Kalyana-Sundaram S, Palanisamy N.

Am J Surg Pathol. 2017 Mar;41(3):287-298. doi: 10.1097/PAS.0000000000000776.


Renal cell carcinoma with TFE3 translocation and succinate dehydrogenase B mutation.

Calió A, Grignon DJ, Stohr BA, Williamson SR, Eble JN, Cheng L.

Mod Pathol. 2017 Mar;30(3):407-415. doi: 10.1038/modpathol.2016.200. Epub 2016 Dec 2.


Neuroendocrine Tumor of the Ureter: A Zebra Among Horses.

Sood A, Williamson SR, Leavitt DA.

J Endourol Case Rep. 2016 Nov 1;2(1):204-208. eCollection 2016.


Sclerosing TFEB-rearrangement renal cell carcinoma: a recurring histologic pattern.

Williamson SR, Eble JN, Palanisamy N.

Hum Pathol. 2017 Apr;62:175-179. doi: 10.1016/j.humpath.2016.10.024. Epub 2016 Nov 15.

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