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Chua N, Wolfe K, Mehta S, Lodge RN, Liyanage SH. Triparametric ultrasound in differentiating multicystic renal masses: a rare presentation of unilateral focal renal lymphangioma. Radiol Case Rep 2017; 12:731-737. [PMID: 29484059 PMCID: PMC5823298 DOI: 10.1016/j.radcr.2017.07.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Revised: 06/15/2017] [Accepted: 07/03/2017] [Indexed: 12/21/2022] Open
Abstract
We describe a rare case of renal lymphangioma presenting as a focal unilateral multicystic renal mass and document the first reported use of triparametric ultrasound (B-mode, Doppler, and contrast-enhanced ultrasound) in its diagnosis and discrimination from other focal multicystic lesions. Renal lymphangiomas are rare, benign, typically developmental lesions composed of cystic dilatation of the lymphatic ducts, usually occurring bilaterally as perinephric collections or parapelvic cysts mimicking hydronephrosis. Radiologists have an important role in suggesting the diagnosis, as clinical presentation can be nonspecific. Management is usually conservative; however, nephron-sparing surgery may be recommended in symptomatic individuals.
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Affiliation(s)
- Nicholas Chua
- Radiology Department, Basildon University Hospital, Nethermayne, Basildon, Essex SS16 5NL, UK
| | - Konrad Wolfe
- Histopathology Department, Southend University Hospital, Essex, UK
| | - Sampi Mehta
- Department of Urology, Southend University Hospital, Essex, UK
| | - Richard N Lodge
- Department of Urology, Southend University Hospital, Essex, UK
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Foix MP, Dunatov A, Martinek P, Mundó EC, Suster S, Sperga M, Lopez JI, Ulamec M, Bulimbasic S, Montiel DP, Alaghehbandan R, Peckova K, Pivovarcikova K, Ondrej D, Rotterova P, Skenderi F, Prochazkova K, Dusek M, Hora M, Michal M, Hes O. Morphological, immunohistochemical, and chromosomal analysis of multicystic chromophobe renal cell carcinoma, an architecturally unusual challenging variant. Virchows Arch 2016; 469:669-678. [PMID: 27631338 DOI: 10.1007/s00428-016-2022-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2016] [Revised: 07/27/2016] [Accepted: 09/05/2016] [Indexed: 12/11/2022]
Abstract
Chromophobe renal cell carcinoma (ChRCC) is typically composed of large leaf-like cells and smaller eosinophilic cells arranged in a solid-alveolar pattern. Eosinophilic, adenomatoid/pigmented, or neuroendocrine variants have also been described. We collected 10 cases of ChRCC with a distinct multicystic pattern out of 733 ChRCCs from our registry, and subsequently analyzed these by morphology, immunohistochemistry, and array comparative genomic hybridization. Of the 10 patients, 6 were males with an age range of 50-89 years (mean 68, median 69). Tumor size ranged between 1.2 and 20 cm (mean 5.32, median 3). Clinical follow-up was available for seven patients, ranging 1-19 years (mean 7.2, median 2.5). No aggressive behavior was documented. We observed two growth patterns, which were similar in all tumors: (1) variable-sized cysts, resembling multilocular cystic neoplasm of low malignant potential and (2) compressed cystic and tubular pattern with slit-like spaces. Raisinoid nuclei were consistently present while necrosis was absent in all cases. Half of the cases showed eosinophilic/oncocytic cytology, deposits of pigment (lipochrome) and microcalcifications. The other half was composed of pale or mixed cell populations. Immunostains for epithelial membrane antigen (EMA), CK7, OSCAR, CD117, parvalbumin, MIA, and Pax 8 were positive in all tumors while negative for vimentin, TFE3, CANH 9, HMB45, cathepsin K, and AMACR. Ki67 immunostain was positive in up to 1 % of neoplastic cells. Molecular genetic examination revealed multiple chromosomal losses in two fifths analyzable tumors, while three cases showed no chromosomal numerical aberrations. ChRCC are rarely arranged in a prominent multicystic pattern, which is probably an extreme form of the microcystic adenomatoid pigmented variant of ChRCC. The spectrum of tumors entering the differential diagnosis of ChRCC is quite different from that of conventional ChRCC. The immunophenotype of ChRCC is identical with that of conventional ChRCC. Chromosomal numerical aberration pattern was variable; no chromosomal numerical aberrations were found in three cases. All the cases in this series have shown an indolent and non-aggressive behavior.
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Affiliation(s)
- Maria Pané Foix
- Department of Pathology, Bellvitge University Hospital, Bellvitge Biomedical Research Institute (IDIBELL), Barcelona, Spain
- Department of Pathology and Experimental Therapeutics, School of Medicine, University of Barcelona, Barcelona, Spain
| | - Ana Dunatov
- Department of Pathology, University of Split, Split, Croatia
| | - Petr Martinek
- Department of Pathology, , Medical Faculty and Charles University Hospital Plzen, Charles University, Alej Svobody 80, 304 60, Pilsen, Czech Republic
| | - Enric Condom Mundó
- Department of Pathology, Bellvitge University Hospital, Bellvitge Biomedical Research Institute (IDIBELL), Barcelona, Spain
- Department of Pathology and Experimental Therapeutics, School of Medicine, University of Barcelona, Barcelona, Spain
| | - Saul Suster
- Department of Pathology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Maris Sperga
- Department of Pathology, East University, Riga, Latvia
| | - Jose I Lopez
- Department of Pathology, Cruces University Hospital, Biocruces Research Institute, University of the Basque Country, Barakaldo, Spain
| | - Monika Ulamec
- "Ljudevit Jurak" Pathology Department, Clinical Hospital Center "Sestre milosrdnice", Zagreb, Croatia
| | - Stela Bulimbasic
- Department of Pathology, Clinical Hospital Center Zagreb, Zagreb, Croatia
| | - Delia Perez Montiel
- Department of Pathology, Instituto Nacional de Cancerologia, Mexico City, Mexico
| | - Reza Alaghehbandan
- Department of Pathology, Faculty of Medicine, Royal Columbian Hospital, University of British Columbia, Vancouver, BC, Canada
| | - Kvetoslava Peckova
- Department of Pathology, , Medical Faculty and Charles University Hospital Plzen, Charles University, Alej Svobody 80, 304 60, Pilsen, Czech Republic
| | - Krystina Pivovarcikova
- Department of Pathology, , Medical Faculty and Charles University Hospital Plzen, Charles University, Alej Svobody 80, 304 60, Pilsen, Czech Republic
| | - Daum Ondrej
- Department of Pathology, , Medical Faculty and Charles University Hospital Plzen, Charles University, Alej Svobody 80, 304 60, Pilsen, Czech Republic
| | - Pavla Rotterova
- Department of Pathology, , Medical Faculty and Charles University Hospital Plzen, Charles University, Alej Svobody 80, 304 60, Pilsen, Czech Republic
| | - Faruk Skenderi
- Department of Pathology, Clinical Center of the University of Srajevo, Sarajevo, Bosnia and Herzegovina
| | - Kristyna Prochazkova
- Department of Urology, Medical Faculty and Charles University Hospital, Charles University, Plzen, Czech Republic
| | - Martin Dusek
- Department of Pathology, , Medical Faculty and Charles University Hospital Plzen, Charles University, Alej Svobody 80, 304 60, Pilsen, Czech Republic
| | - Milan Hora
- Department of Urology, Medical Faculty and Charles University Hospital, Charles University, Plzen, Czech Republic
| | - Michal Michal
- Department of Pathology, , Medical Faculty and Charles University Hospital Plzen, Charles University, Alej Svobody 80, 304 60, Pilsen, Czech Republic
| | - Ondrej Hes
- Department of Pathology, , Medical Faculty and Charles University Hospital Plzen, Charles University, Alej Svobody 80, 304 60, Pilsen, Czech Republic.
- Biomedical Centre, Faculty of Medicine in Lzen, Charles University in Prague, Plzen, Czech Republic.
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