1
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Bendimerad MA, Meilhac-Fournier C, Nika E, Piolat C, Giovannini D, Valmary-Degano S. [SMARCB1-deficient renal medullary carcinoma with revealed by a supra-clavicular metastatic lymph node]. Ann Pathol 2024; 44:372-377. [PMID: 38816307 DOI: 10.1016/j.annpat.2024.05.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 04/29/2024] [Accepted: 05/02/2024] [Indexed: 06/01/2024]
Abstract
We report the case of a 14 year-old teenager who has SC hemoglobinosis and presented with a tumor syndrome with a retro-peritoneal mass, a supraclavicular lymph node and a mid-renal lesion. The microscopic examination revealed an undifferentiated tumor proliferation infiltrating the lymph node parenchyma. This tumor proliferation was INI1/SMARCB1-deficient, and expressed cytokeratins. Given the fact that the histopathological data showed an undifferentiated INI1-deficient carcinoma and that the patient has a kidney lesion and a sickle cell trait, the final diagnosis was lymph node metastasis of SMARCB1-deficient renal medullary carcinoma (OMS 2022).
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Affiliation(s)
| | | | - Eleni Nika
- Service d'anatomie pathologique, CHU de Grenoble-Alpes, 38000 Grenoble, France.
| | - Christian Piolat
- Service de chirurgie pédiatrique, CHU de Grenoble-Alpes, 38000 Grenoble, France.
| | - Diane Giovannini
- Service d'anatomie pathologique, CHU de Grenoble-Alpes, 38000 Grenoble, France.
| | - Séverine Valmary-Degano
- Service d'anatomie pathologique, CHU de Grenoble-Alpes, 38000 Grenoble, France; Université Grenoble-Alpes, Inserm U1209, CNRS UMR 5309, Institute for Advanced Biosciences, CHU de Grenoble-Alpes, 38000 Grenoble, France.
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2
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Hein KZ, Stephen B, Fu S. Therapeutic Role of Synthetic Lethality in ARID1A-Deficient Malignancies. JOURNAL OF IMMUNOTHERAPY AND PRECISION ONCOLOGY 2024; 7:41-52. [PMID: 38327752 PMCID: PMC10846636 DOI: 10.36401/jipo-22-37] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 04/28/2023] [Accepted: 09/21/2023] [Indexed: 02/09/2024]
Abstract
AT-rich interaction domain 1A (ARID1A), a mammalian switch/sucrose nonfermenting complex subunit, modulates several cellular processes by regulating chromatin accessibility. It is encoded by ARID1A, an immunosuppressive gene frequently disrupted in a many tumors, affecting the proliferation, migration, and invasion of cancer cells. Targeting molecular pathways and epigenetic regulation associated with ARID1A loss, such as inhibiting the PI3K/AKT pathway or modulating Wnt/β-catenin signaling, may help suppress tumor growth and progression. Developing epigenetic drugs like histone deacetylase or DNA methyltransferase inhibitors could restore normal chromatin structure and function in cells with ARID1A loss. As ARID1A deficiency correlates with enhanced tumor mutability, microsatellite instability, high tumor mutation burden, increased programmed death-ligand 1 expression, and T-lymphocyte infiltration, ARID1A-deficient cells can be a potential therapeutic target for immune checkpoint inhibitors that warrants further exploration. In this review, we discuss the role of ARID1A in carcinogenesis, its crosstalk with other signaling pathways, and strategies to make ARID1A-deficient cells a potential therapeutic target for patients with cancer.
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Affiliation(s)
- Kyaw Z. Hein
- Department of Internal Medicine, HCA Florida Westside Hospital, Plantation, FL, USA
| | - Bettzy Stephen
- Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Siqing Fu
- Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
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3
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Vokshi BH, Davidson G, Tawanaie Pour Sedehi N, Helleux A, Rippinger M, Haller AR, Gantzer J, Thouvenin J, Baltzinger P, Bouarich R, Manriquez V, Zaidi S, Rao P, Msaouel P, Su X, Lang H, Tricard T, Lindner V, Surdez D, Kurtz JE, Bourdeaut F, Tannir NM, Davidson I, Malouf GG. SMARCB1 regulates a TFCP2L1-MYC transcriptional switch promoting renal medullary carcinoma transformation and ferroptosis resistance. Nat Commun 2023; 14:3034. [PMID: 37236926 DOI: 10.1038/s41467-023-38472-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 05/03/2023] [Indexed: 05/28/2023] Open
Abstract
Renal medullary carcinoma (RMC) is an aggressive tumour driven by bi-allelic loss of SMARCB1 and tightly associated with sickle cell trait. However, the cell-of-origin and oncogenic mechanism remain poorly understood. Using single-cell sequencing of human RMC, we defined transformation of thick ascending limb (TAL) cells into an epithelial-mesenchymal gradient of RMC cells associated with loss of renal epithelial transcription factors TFCP2L1, HOXB9 and MITF and gain of MYC and NFE2L2-associated oncogenic and ferroptosis resistance programs. We describe the molecular basis for this transcriptional switch that is reversed by SMARCB1 re-expression repressing the oncogenic and ferroptosis resistance programs leading to ferroptotic cell death. Ferroptosis resistance links TAL cell survival with the high extracellular medullar iron concentrations associated with sickle cell trait, an environment propitious to the mutagenic events associated with RMC development. This unique environment may explain why RMC is the only SMARCB1-deficient tumour arising from epithelial cells, differentiating RMC from rhabdoid tumours arising from neural crest cells.
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Affiliation(s)
- Bujamin H Vokshi
- Department of Cancer and Functional Genomics, Institute of Genetics and Molecular and Cellular Biology, CNRS/INSERM/UNISTRA, 67400, Illkirch, France
| | - Guillaume Davidson
- Department of Cancer and Functional Genomics, Institute of Genetics and Molecular and Cellular Biology, CNRS/INSERM/UNISTRA, 67400, Illkirch, France
| | - Nassim Tawanaie Pour Sedehi
- Department of Cancer and Functional Genomics, Institute of Genetics and Molecular and Cellular Biology, CNRS/INSERM/UNISTRA, 67400, Illkirch, France
| | - Alexandra Helleux
- Department of Cancer and Functional Genomics, Institute of Genetics and Molecular and Cellular Biology, CNRS/INSERM/UNISTRA, 67400, Illkirch, France
| | - Marc Rippinger
- Department of Cancer and Functional Genomics, Institute of Genetics and Molecular and Cellular Biology, CNRS/INSERM/UNISTRA, 67400, Illkirch, France
| | - Alexandre R Haller
- Department of Cancer and Functional Genomics, Institute of Genetics and Molecular and Cellular Biology, CNRS/INSERM/UNISTRA, 67400, Illkirch, France
| | - Justine Gantzer
- Department of Cancer and Functional Genomics, Institute of Genetics and Molecular and Cellular Biology, CNRS/INSERM/UNISTRA, 67400, Illkirch, France
- Department of Medical Oncology, Institut de Cancérologie Strasbourg Europe, 67200, Strasbourg, France
| | - Jonathan Thouvenin
- Department of Cancer and Functional Genomics, Institute of Genetics and Molecular and Cellular Biology, CNRS/INSERM/UNISTRA, 67400, Illkirch, France
- Department of Medical Oncology, Institut de Cancérologie Strasbourg Europe, 67200, Strasbourg, France
| | - Philippe Baltzinger
- Department of Cancer and Functional Genomics, Institute of Genetics and Molecular and Cellular Biology, CNRS/INSERM/UNISTRA, 67400, Illkirch, France
| | - Rachida Bouarich
- INSERM U830, Équipe Labellisée LNCC, Diversity and Plasticity of Childhood Tumors Lab, Institut Curie Research Centre, 75005, Paris, France
| | - Valeria Manriquez
- INSERM U830, Équipe Labellisée LNCC, Diversity and Plasticity of Childhood Tumors Lab, Institut Curie Research Centre, 75005, Paris, France
| | - Sakina Zaidi
- INSERM U830, Équipe Labellisée LNCC, Diversity and Plasticity of Childhood Tumors Lab, Institut Curie Research Centre, 75005, Paris, France
| | - Priya Rao
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Pavlos Msaouel
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Xiaoping Su
- Department of Bioinformatics and Computational Biology, Division of Quantitative Sciences, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Hervé Lang
- Department of Urology, CHRU Strasbourg, Strasbourg University, 67000, Strasbourg, France
| | - Thibault Tricard
- Department of Urology, CHRU Strasbourg, Strasbourg University, 67000, Strasbourg, France
| | - Véronique Lindner
- Department of Pathology, CHRU Strasbourg, Strasbourg University, 67200, Strasbourg, France
| | - Didier Surdez
- Balgrist University Hospital, University of Zurich, Zurich, Switzerland
- INSERM, U830, Pediatric Translational Research, PSL Research University, SIREDO Oncology Center, Institut Curie, Paris, France
| | - Jean-Emmanuel Kurtz
- Department of Medical Oncology, Institut de Cancérologie Strasbourg Europe, 67200, Strasbourg, France
| | - Franck Bourdeaut
- INSERM U830, Équipe Labellisée LNCC, Diversity and Plasticity of Childhood Tumors Lab, Institut Curie Research Centre, 75005, Paris, France
| | - Nizar M Tannir
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Irwin Davidson
- Department of Cancer and Functional Genomics, Institute of Genetics and Molecular and Cellular Biology, CNRS/INSERM/UNISTRA, 67400, Illkirch, France.
- 'Équipe Labellisée' Ligue National contre le Cancer, Paris, France.
| | - Gabriel G Malouf
- Department of Cancer and Functional Genomics, Institute of Genetics and Molecular and Cellular Biology, CNRS/INSERM/UNISTRA, 67400, Illkirch, France.
- Department of Medical Oncology, Institut de Cancérologie Strasbourg Europe, 67200, Strasbourg, France.
- 'Équipe Labellisée' Ligue National contre le Cancer, Paris, France.
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4
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Pinto VM, De Franceschi L, Gianesin B, Gigante A, Graziadei G, Lombardini L, Palazzi G, Quota A, Russo R, Sainati L, Venturelli D, Forni GL, Origa R. Management of the Sickle Cell Trait: An Opinion by Expert Panel Members. J Clin Med 2023; 12:jcm12103441. [PMID: 37240547 DOI: 10.3390/jcm12103441] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 04/21/2023] [Accepted: 05/10/2023] [Indexed: 05/28/2023] Open
Abstract
The number of individuals with the sickle cell trait exceeds 300 million worldwide, making sickle cell disease one of the most common monogenetic diseases globally. Because of the high frequency of sickle cell disease, reproductive counseling is of crucial importance. In addition, unlike other carrier states, Sickle Cell Trait (SCT) seems to be a risk factor for several clinical complications, such as extreme exertional injury, chronic kidney disease, and complications during pregnancy and surgery. This expert panel believes that increasing knowledge about these clinical manifestations and their prevention and management can be a useful tool for all healthcare providers involved in this issue.
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Affiliation(s)
- Valeria Maria Pinto
- Centro della Microcitemia, Anemie Congenite e Dismetabolismo del Ferro, E.O. Ospedali Galliera, 16128 Genova, Italy
| | | | - Barbara Gianesin
- Centro della Microcitemia, Anemie Congenite e Dismetabolismo del Ferro, E.O. Ospedali Galliera, 16128 Genova, Italy
- ForAnemia Foundation, 16124 Genova, Italy
| | - Antonia Gigante
- ForAnemia Foundation, 16124 Genova, Italy
- Società Italiana Talassemie ed Emoglobinopatie (SITE), 09100 Cagliari, Italy
| | - Giovanna Graziadei
- Centro Malattie Rare Internistiche, Medicina Generale, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, 20122 Milano, Italy
| | - Letizia Lombardini
- Centro Nazionale Trapianti, Istituto Superiore di Sanità, 00161 Roma, Italy
| | - Giovanni Palazzi
- U.O. Oncoematologia Pediatrica, Azienda Ospedaliero-Universitaria di Modena, 41125 Modena, Italy
| | | | - Rodolfo Russo
- Clinica Nefrologica, Dialisi e Trapianto, Dipartimento di Medicina Integrata con il Territorio, IRCCS Ospedale Policlinico San Martino, 16132 Genova, Italy
| | - Laura Sainati
- Oncoematologia Pediatrica, Azienda Ospedaliera-Università di Padova, 35128 Padova, Italy
| | - Donatella Venturelli
- Servizio Immunotrasfusionale, Azienda Ospedaliero-Universitaria di Modena, 41125 Modena, Italy
| | - Gian Luca Forni
- Centro della Microcitemia, Anemie Congenite e Dismetabolismo del Ferro, E.O. Ospedali Galliera, 16128 Genova, Italy
| | - Raffaella Origa
- Talassemia, Ospedale Pediatrico Microcitemico 'A.Cao', ASL8, Università di Cagliari, 09121 Cagliari, Italy
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5
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Badoiu SC, Greabu M, Miricescu D, Stanescu-Spinu II, Ilinca R, Balan DG, Balcangiu-Stroescu AE, Mihai DA, Vacaroiu IA, Stefani C, Jinga V. PI3K/AKT/mTOR Dysregulation and Reprogramming Metabolic Pathways in Renal Cancer: Crosstalk with the VHL/HIF Axis. Int J Mol Sci 2023; 24:8391. [PMID: 37176098 PMCID: PMC10179314 DOI: 10.3390/ijms24098391] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 04/26/2023] [Accepted: 05/04/2023] [Indexed: 05/15/2023] Open
Abstract
Renal cell carcinoma (RCC) represents 85-95% of kidney cancers and is the most frequent type of renal cancer in adult patients. It accounts for 3% of all cancer cases and is in 7th place among the most frequent histological types of cancer. Clear cell renal cell carcinoma (ccRCC), accounts for 75% of RCCs and has the most kidney cancer-related deaths. One-third of the patients with ccRCC develop metastases. Renal cancer presents cellular alterations in sugars, lipids, amino acids, and nucleic acid metabolism. RCC is characterized by several metabolic dysregulations including oxygen sensing (VHL/HIF pathway), glucose transporters (GLUT 1 and GLUT 4) energy sensing, and energy nutrient sensing cascade. Metabolic reprogramming represents an important characteristic of the cancer cells to survive in nutrient and oxygen-deprived environments, to proliferate and metastasize in different body sites. The phosphoinositide 3-kinase-AKT-mammalian target of the rapamycin (PI3K/AKT/mTOR) signaling pathway is usually dysregulated in various cancer types including renal cancer. This molecular pathway is frequently correlated with tumor growth and survival. The main aim of this review is to present renal cancer types, dysregulation of PI3K/AKT/mTOR signaling pathway members, crosstalk with VHL/HIF axis, and carbohydrates, lipids, and amino acid alterations.
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Affiliation(s)
- Silviu Constantin Badoiu
- Department of Anatomy and Embryology, Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, 8 Eroii Sanitari Blvd, 050474 Bucharest, Romania;
| | - Maria Greabu
- Department of Biochemistry, Faculty of Dentistry, Carol Davila University of Medicine and Pharmacy, 8 Eroii Sanitari Blvd, Sector 5, 050474 Bucharest, Romania;
| | - Daniela Miricescu
- Department of Biochemistry, Faculty of Dentistry, Carol Davila University of Medicine and Pharmacy, 8 Eroii Sanitari Blvd, Sector 5, 050474 Bucharest, Romania;
| | - Iulia-Ioana Stanescu-Spinu
- Department of Biochemistry, Faculty of Dentistry, Carol Davila University of Medicine and Pharmacy, 8 Eroii Sanitari Blvd, Sector 5, 050474 Bucharest, Romania;
| | - Radu Ilinca
- Department of Medical Informatics and Biostatistics, Faculty of Dentistry, Carol Davila University of Medicine and Pharmacy, 8 Eroii Sanitari Blvd, 050474 Bucharest, Romania;
| | - Daniela Gabriela Balan
- Department of Physiology, Faculty of Dentistry, Carol Davila University of Medicine and Pharmacy, 8 Eroii Sanitari Blvd, 050474 Bucharest, Romania; (D.G.B.); (A.-E.B.-S.)
| | - Andra-Elena Balcangiu-Stroescu
- Department of Physiology, Faculty of Dentistry, Carol Davila University of Medicine and Pharmacy, 8 Eroii Sanitari Blvd, 050474 Bucharest, Romania; (D.G.B.); (A.-E.B.-S.)
| | - Doina-Andrada Mihai
- Department of Diabetes, Nutrition and Metabolic Diseases, Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, 8 Eroii Sanitari Blvd, 050474 Bucharest, Romania;
| | - Ileana Adela Vacaroiu
- Department of Nephrology, Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, 020021 Bucharest, Romania;
| | - Constantin Stefani
- Department of Family Medicine and Clinical Base, Dr. Carol Davila Central Military Emergency University Hospital, 134 Calea Plevnei, 010825 Bucharest, Romania;
| | - Viorel Jinga
- Department of Urology, “Prof. Dr. Theodor Burghele” Hospital, 050653 Bucharest, Romania
- “Prof. Dr. Theodor Burghele” Clinical Hospital, University of Medicine and Pharmacy Carol Davila, 050474 Bucharest, Romania
- Medical Sciences Section, Academy of Romanian Scientists, 050085 Bucharest, Romania
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6
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Severseike BO, Schafernak KT, Willard SD, Goncalves LF, Kothari AK, Eshun FK, Mangum R. Diagnostic challenges of renal medullary carcinoma and the role for cytologic assessment: Case report and literature review. J Clin Lab Anal 2023; 37:e24854. [PMID: 36843202 PMCID: PMC10020844 DOI: 10.1002/jcla.24854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 01/18/2023] [Accepted: 02/11/2023] [Indexed: 02/28/2023] Open
Abstract
BACKGROUND Renal medullary carcinoma (RMC) is a diagnostically challenging, aggressive primary renal malignancy associated with abysmal survival. Delays in diagnosis contribute to most patients having diffusely metastatic disease at the time of initial presentation. METHODS We present the case of a 13-year-old African American male with sickle cell trait who presented with a renal mass and hematuria. Evaluation included imaging, fluid cultures, and cytologic assessment. RESULTS Patient was diagnosed with RMC based on cytologic assessment of sub-centimeter fluid collections aspirated from the left kidney at the time of cortical biopsy for suspected renal mass. The additional fluid aspiration in conjunction with renal biopsy was an atypical but crucial step in early diagnosis. CONCLUSION Cytomorphologic evaluation of fluid biospecimens is not currently part of the standard work-up for patients with renal masses but, when available, can provide crucial information that reduces time to diagnosis. Prompt symptom recognition and treatment initiation may improve patient outcomes.
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Affiliation(s)
- Benjamin O. Severseike
- Phoenix Children's Hospital Residency Program Alliance (PCHRP)Phoenix Children's HospitalPhoenixArizonaUSA
| | - Kristian T. Schafernak
- Pathology and Laboratory MedicinePhoenix Children's HospitalPhoenixArizonaUSA
- Department of Child HealthUniversity of Arizona College of MedicinePhoenixArizonaUSA
- Creighton University School of MedicinePhoenixArizonaUSA
- Mayo Clinic Alix School of MedicinePhoenixArizonaUSA
| | - Scott D. Willard
- Department of Child HealthUniversity of Arizona College of MedicinePhoenixArizonaUSA
- Creighton University School of MedicinePhoenixArizonaUSA
- Mayo Clinic Alix School of MedicinePhoenixArizonaUSA
- Interventional RadiologyPhoenix Children's HospitalPhoenixArizonaUSA
| | - Luis F. Goncalves
- Department of Child HealthUniversity of Arizona College of MedicinePhoenixArizonaUSA
- Creighton University School of MedicinePhoenixArizonaUSA
- Mayo Clinic Alix School of MedicinePhoenixArizonaUSA
- Radiology DepartmentPhoenix Children's HospitalPhoenixArizonaUSA
| | - Alok K. Kothari
- Department of Child HealthUniversity of Arizona College of MedicinePhoenixArizonaUSA
- Creighton University School of MedicinePhoenixArizonaUSA
- Mayo Clinic Alix School of MedicinePhoenixArizonaUSA
- Center for Cancer and Blood DisordersPhoenix Children's HospitalPhoenixArizonaUSA
| | - Francis K. Eshun
- Department of Child HealthUniversity of Arizona College of MedicinePhoenixArizonaUSA
- Creighton University School of MedicinePhoenixArizonaUSA
- Mayo Clinic Alix School of MedicinePhoenixArizonaUSA
- Center for Cancer and Blood DisordersPhoenix Children's HospitalPhoenixArizonaUSA
| | - Ross Mangum
- Department of Child HealthUniversity of Arizona College of MedicinePhoenixArizonaUSA
- Creighton University School of MedicinePhoenixArizonaUSA
- Mayo Clinic Alix School of MedicinePhoenixArizonaUSA
- Center for Cancer and Blood DisordersPhoenix Children's HospitalPhoenixArizonaUSA
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7
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Mohd AB, Ghannam RA, Mohd OB, Elayan R, Albakri K, Huneiti N, Daraghmeh F, Al-Khatatbeh E, Al-Thnaibat M. Etiologies, Gross Appearance, Histopathological Patterns, Prognosis, and Best Treatments for Subtypes of Renal Carcinoma: An Educational Review. Cureus 2022; 14:e32338. [PMID: 36627997 PMCID: PMC9825816 DOI: 10.7759/cureus.32338] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/08/2022] [Indexed: 12/13/2022] Open
Abstract
Of all primary renal neoplasms, 80-85% are renal cell carcinomas (RCCs), which develop in the renal cortex. There are more than 10 histological and molecular subtypes of the disease, the most frequent of which is clear cell RCC, which also causes most cancer-related deaths. Other renal neoplasms, including urothelial carcinoma, Wilms' tumor, and renal sarcoma, each affect a particular age group and have specific gross and histological features. Due to the genetic susceptibility of each of these malignancies, early mutation discovery is necessary for the early detection of a tumor. Furthermore, it is crucial to avoid environmental factors leading to each type. This study provides relatively detailed and essential information regarding each subtype of renal carcinoma.
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Affiliation(s)
- Ahmed B Mohd
- Medicine, Faculty of Medicine, Hashemite University, Zarqa, JOR
| | - Reem A Ghannam
- Medicine, Faculty of Medicine, Hashemite University, Zarqa, JOR
| | - Omar B Mohd
- Medicine, Faculty of Medicine, Hashemite University, Zarqa, JOR
| | - Rama Elayan
- Medicine, Faculty of Medicine, Hashemite University, Zarqa, JOR
| | - Khaled Albakri
- Medicine, Faculty of Medicine, Hashemite University, Zarqa, JOR
| | - Nesreen Huneiti
- Medicine, Faculty of Medicine, Hashemite University, Zarqa, JOR
| | - Farah Daraghmeh
- Medicine, Faculty of Medicine, Hashemite University, Zarqa, JOR
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8
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Verma A, Huffman JE, Gao L, Minnier J, Wu WC, Cho K, Ho YL, Gorman BR, Pyarajan S, Rajeevan N, Garcon H, Joseph J, McGeary JE, Suzuki A, Reaven PD, Wan ES, Lynch JA, Petersen JM, Meigs JB, Freiberg MS, Gatsby E, Lynch KE, Zekavat SM, Natarajan P, Dalal S, Jhala DN, Arjomandi M, Bonomo RA, Thompson TK, Pathak GA, Zhou JJ, Donskey CJ, Madduri RK, Wells QS, Gelernter J, Huang RDL, Polimanti R, Chang KM, Liao KP, Tsao PS, Sun YV, Wilson PWF, O’Donnell CJ, Hung AM, Gaziano JM, Hauger RL, Iyengar SK, Luoh SW. Association of Kidney Comorbidities and Acute Kidney Failure With Unfavorable Outcomes After COVID-19 in Individuals With the Sickle Cell Trait. JAMA Intern Med 2022; 182:796-804. [PMID: 35759254 PMCID: PMC9237798 DOI: 10.1001/jamainternmed.2022.2141] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Importance Sickle cell trait (SCT), defined as the presence of 1 hemoglobin beta sickle allele (rs334-T) and 1 normal beta allele, is prevalent in millions of people in the US, particularly in individuals of African and Hispanic ancestry. However, the association of SCT with COVID-19 is unclear. Objective To assess the association of SCT with the prepandemic health conditions in participants of the Million Veteran Program (MVP) and to assess the severity and sequelae of COVID-19. Design, Setting, and Participants COVID-19 clinical data include 2729 persons with SCT, of whom 353 had COVID-19, and 129 848 SCT-negative individuals, of whom 13 488 had COVID-19. Associations between SCT and COVID-19 outcomes were examined using firth regression. Analyses were performed by ancestry and adjusted for sex, age, age squared, and ancestral principal components to account for population stratification. Data for the study were collected between March 2020 and February 2021. Exposures The hemoglobin beta S (HbS) allele (rs334-T). Main Outcomes and Measures This study evaluated 4 COVID-19 outcomes derived from the World Health Organization severity scale and phenotypes derived from International Classification of Diseases codes in the electronic health records. Results Of the 132 577 MVP participants with COVID-19 data, mean (SD) age at the index date was 64.8 (13.1) years. Sickle cell trait was present in 7.8% of individuals of African ancestry and associated with a history of chronic kidney disease, diabetic kidney disease, hypertensive kidney disease, pulmonary embolism, and cerebrovascular disease. Among the 4 clinical outcomes of COVID-19, SCT was associated with an increased COVID-19 mortality in individuals of African ancestry (n = 3749; odds ratio, 1.77; 95% CI, 1.13 to 2.77; P = .01). In the 60 days following COVID-19, SCT was associated with an increased incidence of acute kidney failure. A counterfactual mediation framework estimated that on average, 20.7% (95% CI, -3.8% to 56.0%) of the total effect of SCT on COVID-19 fatalities was due to acute kidney failure. Conclusions and Relevance In this genetic association study, SCT was associated with preexisting kidney comorbidities, increased COVID-19 mortality, and kidney morbidity.
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Affiliation(s)
- Anurag Verma
- Corporal Michael J. Crescenz VA Medical Center, Philadelphia, Pennsylvania
- Perelman School of Medicine, Department of Medicine, University of Pennsylvania, Philadelphia
| | | | - Lina Gao
- Knight Cancer Institute, Biostatistics Shared Resource, Oregon Health & Science University, Portland
- VA Portland Health Care System, Portland, Oregon
| | - Jessica Minnier
- VA Portland Health Care System, Portland, Oregon
- OHSU-PSU School of Public Health, Oregon Health & Science University, Portland
- Knight Cancer Institute, Biostatistics Shared Resource, Oregon Health & Science University, Portland
| | - Wen-Chih Wu
- Department of Medicine, Cardiology, Providence VA Healthcare System, Providence, Rhode Island
- Alpert Medical School & School of Public Health, Brown University, Providence, Rhode Island
| | - Kelly Cho
- MAVERIC, VA Boston Healthcare System, Boston, Massachusetts
- Medicine, Aging, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
| | - Yuk-Lam Ho
- MAVERIC, VA Boston Healthcare System, Boston, Massachusetts
| | | | - Saiju Pyarajan
- VA Boston Healthcare System, Boston, Massachusetts
- Department of Medicine, Harvard Medical School, Boston, Massachusetts
| | - Nallakkandi Rajeevan
- Yale Center for Medical Informatics, Yale School of Medicine, New Haven, Connecticut
- Clinical Epidemiology Research Center (CERC), VA Connecticut Healthcare System, West Haven
| | - Helene Garcon
- MAVERIC, VA Boston Healthcare System, Boston, Massachusetts
| | - Jacob Joseph
- Department of Medicine, VA Boston Healthcare System, Boston, Massachusetts
- Brigham & Women’s Hospital, Boston, Massachusetts
| | - John E. McGeary
- Department of Psychiatry and Human Behavior, Providence VA Medical Center, Providence, Rhode Island
- Brown University Medical School, Providence, Rhode Island
| | - Ayako Suzuki
- Department of Medicine, Gastroenterology, Durham VA Medical Center, Durham, North Carolina
- Department of Medicine, Gastroenterology, Duke University, Durham, North Carolina
| | - Peter D. Reaven
- Department of Medicine, Phoenix VA Healthcare System, Phoenix, Arizona
- University of Arizona, Phoenix
| | - Emily S. Wan
- Department of Medicine, Pulmonary, Critical Care, Sleep, and Allergy Section, VA Boston Healthcare System, Boston, Massachusetts
- Channing Division of Network Medicine, Brigham & Women’s Hospital, Boston, Massachusetts
| | - Julie A. Lynch
- VA Informatics & Computing Infrastructure, VA Salt Lake City Utah & University of Utah, School of Medicine, Salt Lake City
| | - Jeffrey M. Petersen
- Pathology and Laboratory Medicine, Corporal Michael Crescenz VA Medical Center, Philadelphia, Pennsylvania
- Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - James B. Meigs
- Medicine, General Internal Medicine, Massachusetts General Hospital, Boston
| | | | - Elise Gatsby
- VA Informatics and Computing Infrastructure (VINCI), VA Salt Lake City Healthcare System, Salt Lake City, Utah
| | - Kristine E. Lynch
- VA Informatics and Computing Infrastructure (VINCI), VA Salt Lake City Healthcare System, Salt Lake City, Utah
- Internal Medicine, Epidemiology, University of Utah School of Medicine, Salt Lake City
| | - Seyedeh Maryam Zekavat
- Computational Biology & Bioinformatics, Yale School of Medicine, New Haven, Connecticut
- Program in Medical and Population Genetics, Cardiovascular Disease Initiative, Broad Institute of Harvard and MIT, Cambridge, Massachusetts
| | - Pradeep Natarajan
- Program in Medical and Population Genetics, Cardiovascular Disease Initiative, Broad Institute of Harvard and MIT, Cambridge, Massachusetts
- Cardiovascular Research Center, Massachusetts General Hospital, Boston
- Department of Medicine, Harvard Medical School, Boston, Massachusetts
- Clinical Data Science Research Group, ORD, Portland VA Medical Center, Portland, Oregon
| | - Sharvari Dalal
- Perelman School of Medicine, University of Pennsylvania, Philadelphia
- Pathology and Laboratory Medicine, Corporal Michael J. Crescenz VA Medical Center, Philadelphia, Pennsylvania
| | - Darshana N. Jhala
- Perelman School of Medicine, University of Pennsylvania, Philadelphia
- Pathology and Laboratory Medicine, Corporal Michael J. Crescenz VA Medical Center, Philadelphia, Pennsylvania
| | - Mehrdad Arjomandi
- Medicine, Pulmonary and Critical Care, San Francisco VA Healthcare System, San Francisco, California
- University of California San Francisco
| | - Robert A. Bonomo
- Cleveland VA Medical Center, Cleveland, Ohio
- Medicine, Case Western Reserve University School of Medicine, Cleveland, Ohio
| | | | - Gita A. Pathak
- Department of Psychiatry, Division of Human Genetics, Yale School of Medicine, New Haven, Connecticut
- VA Connecticut Healthcare System, West Haven
| | - Jin J. Zhou
- Medicine, University of California, Los Angeles
- Epidemiology and Biostatistics, University of Arizona, Phoenix
| | - Curtis J. Donskey
- Infectious Disease Section, Louis Stokes Cleveland VA, Cleveland, Ohio
- Case Western Reserve University, Cleveland, Ohio
| | - Ravi K. Madduri
- Data Science and Learning, Argonne National Laboratory, Lemont, Illinois
| | - Quinn S. Wells
- Departments of Medicine, Biomedical Informatics, and Pharmacology, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Joel Gelernter
- VA Connecticut Healthcare System, West Haven
- Psychiatry, Human Genetics, Yale University School of Medicine, West Haven, Connecticut
| | | | - Renato Polimanti
- Departments of Medicine, Biomedical Informatics, and Pharmacology, Vanderbilt University Medical Center, Nashville, Tennessee
- Psychiatry, Human Genetics, Yale University School of Medicine, West Haven, Connecticut
| | - Kyong-Mi Chang
- Corporal Michael J. Crescenz VA Medical Center, Philadelphia, Pennsylvania
- Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - Katherine P. Liao
- Medicine, Rheumatology, VA Boston Healthcare System, Boston, Massachusetts
- Division of Rheumatology, Inflammation, and Immunity, Brigham and Women’s Hospital, Boston, Massachusetts
- Department of Medicine & Biomedical Informatics, Harvard Medical School, Boston, Massachusetts
| | - Philip S. Tsao
- Precision Medicine, VA Palo Alto Health Care System, Palo Alto, California
| | - Yan V. Sun
- Epidemiology, Emory University School of Public Health, Atlanta, Georgia
- Atlanta VA Health Care System, Decatur, Georgia
| | - Peter W. F. Wilson
- Atlanta VA Health Care System, Decatur, Georgia
- Emory University School of Medicine, Atlanta, Georgia
| | | | - Adriana M. Hung
- Vanderbilt University Medical Center, Nashville, Tennessee
- Nashville VA Medical Center, Nashville, Tennessee
| | - J. Michael Gaziano
- VA Boston Health Care System, Boston, Massachusetts
- Medicine, Harvard Medical School, Boston, Massachusetts
| | - Richard L. Hauger
- Center of Excellence for Stress & Mental Health, VA San Diego Healthcare System, San Diego, California
- Center for Behavioral Genetics of Aging, University of California, San Diego, La Jolla
| | - Sudha K. Iyengar
- Departments of Population and Quantitative Health Sciences, Ophthalmology and Visual Sciences and Genetics and Genome Sciences, Case Western Reserve University, Cleveland, Ohio
- Louis Stokes Cleveland VA Medical Center, Cleveland, Ohio
| | - Shiuh-Wen Luoh
- VA Portland Health Care System, Portland, Oregon
- Division of Hematology and Medical Oncology, Knight Cancer Institute, Oregon Health and Science University, Portland
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9
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González-Arboleda AA, Fernandez N, García-Perdomo HA. Genitourinary Tract Tumors in Children: An Update. Curr Pediatr Rev 2022; 18:166-178. [PMID: 35021978 DOI: 10.2174/1573396318666220111143902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 09/17/2021] [Accepted: 10/11/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Genitourinary tract tumors in children are less common than in adults. Most of these tumors have different genetic backgrounds, clinical presentation, and oncologic behavior than their adult counterpart. As a result of low prevalence in children, some of the treatment approaches and recommendations are based on treatment experience in adult patients. However, thanks to scientific and technological development, survival rates have risen considerably. OBJECTIVE This paper presents a review of the principal features of the tumors involving the genitourinary tract in children and an update in genetic background, diagnosis, and treatment. METHODS A narrative review was performed on published literature about genitourinary tract tumors in pediatric patients. Papers presented in English and Spanish literature were reviewed. PubMed, Science Direct, and SciELO databases were used to collect information and present this article. RESULTS Kidney tumors are the most common type of genitourinary tumors in children. Among those, Wilms tumor represents the majority of cases and shows the successful work of clinical trial groups studying this tumor type. Other tumors involving the genitourinary tract in children include Rhabdomyosarcoma, Transitional cell carcinoma, Testicular, and Adrenal tumors. CONCLUSION Genitourinary tract tumors in children represent significant morbidity and economic burden, so awareness in early diagnosis represents improvement in treatment, clinical, and oncological outcomes.
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Affiliation(s)
| | - Nicolás Fernandez
- Division of Urology, Seattle Children´s Hospital, The University of Washington, Seattle, WA, USA
| | - Herney Andrés García-Perdomo
- UROGIV Research Group, School of Medicine, Universidad del Valle, Cali, Colombia.,Division of Urology, Department of Surgery, School of Medicine, Universidad del Valle, Cali, Colombia
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10
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Ryan A, Tawagi K, VanderVeen N, Matrana M, Vasquez R. Combination Therapy With Bortezomib in Renal Medullary Carcinoma: A Case Series. Clin Genitourin Cancer 2021; 19:e395-e400. [PMID: 34565708 DOI: 10.1016/j.clgc.2021.08.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 08/18/2021] [Accepted: 08/22/2021] [Indexed: 01/06/2023]
Abstract
BACKGROUND Renal medullary carcinoma (RMC) is a very rare, aggressive neoplasm occurring almost exclusively in adolescents and young adults with sickle cell trait. Given the rare nature of this tumor, accounting for less than 0.5% of all renal carcinomas, most of the published data on therapies is from case reports and small case series, and current treatments are insufficient, with most patients succumbing to their disease in months. We report our experience with a cytotoxic chemotherapy regimen consisting of platinum-based therapy, doxorubicin, and bortezomib. METHODS Three patients with metastatic RMC at a single institution were treated off-label with a perioperative chemotherapy regimen for 4 cycles of 2 alternating regimens: regimen A consisting of cisplatin, doxorubicin, and bortezomib; regimen B consisting of carboplatin, paclitaxel, and gemcitabine. A radical nephrectomy was performed on all patients. Surveillance imaging was performed on all patients to assess response and disease burden. Patients received up to 12 months of maintenance therapy with everolimus. RESULTS Three African American patients - 2 males and 1 female aged 14, 28, and 31 - with sickle cell trait and metastatic disease were treated with this regimen. The median follow-up was 18 months. All had resection of the primary tumor - 2 patients after receiving neoadjuvant therapy, and one patient underwent resection prior to referral. All 3 patients achieved complete responses based on imaging, 2 of which lasted for 12 months, and another is still in remission over 7 years after diagnosis. CONCLUSIONS This regimen of alternating cycles of platinum-based chemotherapy with bortezomib appeared to be active against RMC and was generally well-tolerated. Given the extremely rare nature of this disease and dismal prognosis, new treatment modalities should be pursued, and whenever possible, patients should be enrolled in a clinical trial. We propose that a multiinstitution clinical trial of this regiment may be warranted.
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Affiliation(s)
- Alixandra Ryan
- The University of Queensland School of Medicine, Ochsner Clinical School, New Orleans, LA.
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11
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Miller DL, Ribeiro EA, Roy-Chowdhuri S, Illei PB, Siddiqui MT, Ali SZ. Renal medullary carcinoma involving serous cavity fluids: a cytomorphologic study of 12 cases. J Am Soc Cytopathol 2021; 10:187-196. [PMID: 32651128 DOI: 10.1016/j.jasc.2020.05.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 05/25/2020] [Accepted: 05/26/2020] [Indexed: 06/11/2023]
Abstract
INTRODUCTION Renal medullary carcinoma (RMC) is a highly lethal adenocarcinoma with a propensity for widespread metastatic disease in young patients. It is strongly associated with sickle cell trait and shows the loss of SMARCB1 (also known as INI1 or BAF47) protein expression. In the present study, we reviewed a series of 12 patients for whom the cytology specimens played a significant role in patient treatment. MATERIALS AND METHODS We performed a retrospective case review of patients with a history of RMC from 3 large tertiary care pathology practices. RESULTS A total of 12 patients were identified with histologically confirmed RMC who had had pleural, pericardial, or urine specimens involved by their disease or had undergone initial kidney fine needle aspiration. Patient age ranged from 13 to 37 years (median, 21.5 years). All 12 patients were black or of African descent, and 10 had a confirmed history of sickle cell trait. Of the 12 patients, 11 (92%) had fluid specimens involved by metastatic tumor at some point in their clinical course, and 4 (33%) had initially presented with pericardial and/or pleural effusions or urine specimens that were positive for malignancy. Cytologic examination predominantly showed fragments of 3-dimensional "tumor balls" with smooth borders, fine pale cytoplasm with vacuolization, and highly pleomorphic nuclei with irregular nuclear membranes and coarse to vesicular chromatin and single prominent nucleoli. CONCLUSIONS The cytomorphology of RMC involving serous fluids is nonspecific and in keeping with metastatic high-grade adenocarcinoma. In a young patient presenting with no history of malignancy and a pleural or pericardial effusion, triaging the material for ancillary studies and a nuanced assessment of patient history and radiologic findings will be critical.
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Affiliation(s)
- Daniel L Miller
- Department of Pathology, The Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Efrain A Ribeiro
- Department of Pathology, The Johns Hopkins University School of Medicine, Baltimore, Maryland
| | | | - Peter B Illei
- Department of Pathology, University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Momin T Siddiqui
- Department of Pathology and Laboratory Medicine, Weil Cornell Medicine, New York, New York
| | - Syed Z Ali
- Department of Pathology, The Johns Hopkins University School of Medicine, Baltimore, Maryland; Department of Radiology, The Johns Hopkins University School of Medicine, Baltimore, Maryland.
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12
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Baniak N, Tsai H, Hirsch MS. The Differential Diagnosis of Medullary-Based Renal Masses. Arch Pathol Lab Med 2021; 145:1148-1170. [PMID: 33406251 DOI: 10.5858/arpa.2020-0464-ra] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/13/2020] [Indexed: 11/06/2022]
Abstract
CONTEXT.— Renal malignancies can be divided into cortical- and medullary-based tumors, the latter of which classically infiltrate the renal parenchyma by extending between nonneoplastic structures. Although high-grade cortical tumors can rarely exhibit the same growth pattern, the infiltrative morphology should elicit a differential diagnosis to be considered in each case. However, these diagnoses can be challenging to distinguish, especially on small renal biopsy samples. OBJECTIVE.— To provide an overview of the clinical, gross, and microscopic findings; genetic and molecular alterations; and immunohistochemical evaluation of medullary-based renal tumors and other tumor types with overlapping morphologies and growth patterns. DATA SOURCES.— Literature review and personal observations were used to compile the information in this review. CONCLUSIONS.— Collecting duct carcinoma is a prototypical medullary-based tumor, and although diagnostic criteria exist, it remains a diagnosis of exclusion, especially with ancillary techniques aiding the recognition of established as well as more recently described neoplasms. Other medullary-based malignancies included in the differential diagnosis include renal medullary carcinoma/renal cell carcinoma unclassified with medullary phenotype, fumarate hydratase-deficient renal cell carcinoma, and upper tract urothelial carcinoma. Moreover, other rare entities should be excluded, including metastatic carcinoma, lymphoma, and melanoma. In addition to potential prognostic differences, accurate diagnoses can have important surgical and clinical management implications.
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Affiliation(s)
- Nicholas Baniak
- From the Department of Pathology, Brigham and Women's Hospital, Boston, Massachusetts
| | - Harrison Tsai
- From the Department of Pathology, Brigham and Women's Hospital, Boston, Massachusetts
| | - Michelle S Hirsch
- From the Department of Pathology, Brigham and Women's Hospital, Boston, Massachusetts
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13
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Basher F, Dutcher G, England JS, Lopes G. Unusual Presentation of Renal Medullary Carcinoma With Undiagnosed Sickle Cell Trait. Cureus 2020; 12:e10731. [PMID: 33145136 PMCID: PMC7599047 DOI: 10.7759/cureus.10731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Renal medullary carcinoma (RMC) is an extremely rare malignancy that has been described in younger male patients of African descent with a history of sickle cell disease or trait. We describe a rather unique case of RMC in an older male patient who initially presented with acute on chronic urinary retention and concern for infection. Further investigation revealed a history of hematuria and long-standing microcytic anemia, and the patient was found to have sickle cell trait (SCT) as part of a workup for malignancy of unknown primary. Imaging findings initially interpreted as hydronephrosis later characterized a mass in the renal pelvis concerning for a genitourinary malignancy, later biopsy-proven RMC. RMC typically presents in its advanced stages, with associated poor prognosis, and treatment options are limited and have been extrapolated from standard regimens for other genitourinary malignancies. Therefore, early clinical suspicion in patients with microcytic anemia, flank pain, hematuria, and urinary symptoms, can aid in the diagnosis of RMC and allow for prompt intervention.
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Affiliation(s)
- Fahmin Basher
- Division of General Internal Medicine, Department of Medicine, University of Miami Miller School of Medicine, Jackson Memorial Hospital, Miami, USA
| | - Giselle Dutcher
- Divisions of Hematology and Medical Oncology, Department of Medicine, University of Miami Miller School of Medicine, Jackson Memorial Hospital, Miami, USA
| | - Jonathan S England
- Department of Pathology, University of Miami Miller School of Medicine, Jackson Memorial Hospital, Miami, USA
| | - Gilberto Lopes
- Division of Medical Oncology, Department of Medicine, University of Miami Miller School of Medicine, Jackson Memorial Hospital, Miami, USA
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14
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Ross J, Li G, Yang XJ. Application and Pitfalls of Immunohistochemistry in Diagnosis of Challenging Genitourinary Cases. Arch Pathol Lab Med 2020; 144:290-304. [PMID: 32101059 DOI: 10.5858/arpa.2019-0550-ra] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
CONTEXT.— Immunohistochemistry (IHC) has become increasingly important in the evaluation of pathologic conditions in the genitourinary (GU) organs. In addition to careful evaluation of hematoxylin-eosin sections and generation of a differential diagnosis, choosing the optimal panel of IHC markers becomes even more important when the biopsy material is very limited. The following summary of our experience supplemented with relevant literature review exemplifies how to use IHC to facilitate pathologic diagnosis in the GU system. OBJECTIVE.— To describe our experience with the most common immunohistochemical markers used in GU pathology. DATA SOURCES.— Institutional experience and literature search comprise our data sources. CONCLUSIONS.— Application of IHC provides enormous benefits to the interpretation of GU pathologic conditions, including benign and malignant lesions. However, both insufficient and excessive types of use of IHC, as well as incorrect interpretations in common and rare GU conditions, could present pitfalls in diagnosis.
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Affiliation(s)
- Jenny Ross
- From the Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Guangyuan Li
- From the Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Ximing J Yang
- From the Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
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15
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Renal medullary carcinoma masquerading as renal infection: a case report. BMC Nephrol 2020; 21:79. [PMID: 32138685 PMCID: PMC7059715 DOI: 10.1186/s12882-020-01730-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Accepted: 02/19/2020] [Indexed: 12/03/2022] Open
Abstract
Background Renal medullary carcinoma is a rare and aggressive tumor and often seen in young adults with sickle cell hemoglobinopathies. Case presentation We report a case of renal medullary carcinoma in a 29-year old male patient with an occupying renal lesion who presented with fever, flank pain and hematuria. The patient received intensive antibiotics treatment, but no improvement was seen. The symptoms disappeared after laparoscopic radical left nephrectomy. Postoperative pathological study showed that the mass was renal medullary carcinoma. Conclusions Our case suggests that renal medullary carcinoma should be considered in differential diagnoses of patients with occupying renal lesions who have fever of unknown origin.
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