author_facet Argani, Pedram
Zhang, Lei
Sung, Yun‐Shao
Bacchi, Carlos
Swanson, David
Dickson, Brendan C.
Antonescu, Cristina R.
Argani, Pedram
Zhang, Lei
Sung, Yun‐Shao
Bacchi, Carlos
Swanson, David
Dickson, Brendan C.
Antonescu, Cristina R.
author Argani, Pedram
Zhang, Lei
Sung, Yun‐Shao
Bacchi, Carlos
Swanson, David
Dickson, Brendan C.
Antonescu, Cristina R.
spellingShingle Argani, Pedram
Zhang, Lei
Sung, Yun‐Shao
Bacchi, Carlos
Swanson, David
Dickson, Brendan C.
Antonescu, Cristina R.
Genes, Chromosomes and Cancer
Novel SS18‐NEDD4 gene fusion in a primary renal synovial sarcoma
Cancer Research
Genetics
author_sort argani, pedram
spelling Argani, Pedram Zhang, Lei Sung, Yun‐Shao Bacchi, Carlos Swanson, David Dickson, Brendan C. Antonescu, Cristina R. 1045-2257 1098-2264 Wiley Cancer Research Genetics http://dx.doi.org/10.1002/gcc.22814 <jats:title>Abstract</jats:title><jats:p>We report a primary renal synovial sarcoma with a novel gene fusion and unusual morphology. The patient was a 35‐year‐old female who was found to have a 5 cm hypocellular, myxoid spindle cell renal neoplasm that subtly permeated amongst native renal tubules. The tumor cells showed elongated hyperchromatic nuclei with ill‐defined pale cytoplasm, lacking significant mitotic activity or necrosis. Based on its deceptively bland morphology, the differential diagnosis included mainly benign entities, such as metanephric stromal tumor, mixed epithelial stromal tumor (MEST), and myxoid peripheral nerve sheath tumors. A definitive diagnosis of synovial sarcoma was made only subsequently to RNA‐sequencing, which revealed a novel <jats:italic>SS18‐NEDD4</jats:italic> gene fusion. These results were further confirmed by fluorescence in situ hybridization using custom design break‐apart probes for both genes. This case illustrates the utility of targeted RNA‐sequencing in the classification of challenging tumors with deceptive morphology and identification of novel gene fusion variants. Apart from the canonical <jats:italic>SS18‐SSX</jats:italic> fusion, this is only the second alternative gene fusion variant described in synovial sarcoma to date, in addition to two cases harboring the <jats:italic>SS18L1‐SSX1</jats:italic> fusion.</jats:p> Novel <i>SS18‐NEDD4</i> gene fusion in a primary renal synovial sarcoma Genes, Chromosomes and Cancer
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series Genes, Chromosomes and Cancer
source_id 49
title Novel SS18‐NEDD4 gene fusion in a primary renal synovial sarcoma
title_unstemmed Novel SS18‐NEDD4 gene fusion in a primary renal synovial sarcoma
title_full Novel SS18‐NEDD4 gene fusion in a primary renal synovial sarcoma
title_fullStr Novel SS18‐NEDD4 gene fusion in a primary renal synovial sarcoma
title_full_unstemmed Novel SS18‐NEDD4 gene fusion in a primary renal synovial sarcoma
title_short Novel SS18‐NEDD4 gene fusion in a primary renal synovial sarcoma
title_sort novel <i>ss18‐nedd4</i> gene fusion in a primary renal synovial sarcoma
topic Cancer Research
Genetics
url http://dx.doi.org/10.1002/gcc.22814
publishDate 2020
physical 203-208
description <jats:title>Abstract</jats:title><jats:p>We report a primary renal synovial sarcoma with a novel gene fusion and unusual morphology. The patient was a 35‐year‐old female who was found to have a 5 cm hypocellular, myxoid spindle cell renal neoplasm that subtly permeated amongst native renal tubules. The tumor cells showed elongated hyperchromatic nuclei with ill‐defined pale cytoplasm, lacking significant mitotic activity or necrosis. Based on its deceptively bland morphology, the differential diagnosis included mainly benign entities, such as metanephric stromal tumor, mixed epithelial stromal tumor (MEST), and myxoid peripheral nerve sheath tumors. A definitive diagnosis of synovial sarcoma was made only subsequently to RNA‐sequencing, which revealed a novel <jats:italic>SS18‐NEDD4</jats:italic> gene fusion. These results were further confirmed by fluorescence in situ hybridization using custom design break‐apart probes for both genes. This case illustrates the utility of targeted RNA‐sequencing in the classification of challenging tumors with deceptive morphology and identification of novel gene fusion variants. Apart from the canonical <jats:italic>SS18‐SSX</jats:italic> fusion, this is only the second alternative gene fusion variant described in synovial sarcoma to date, in addition to two cases harboring the <jats:italic>SS18L1‐SSX1</jats:italic> fusion.</jats:p>
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author Argani, Pedram, Zhang, Lei, Sung, Yun‐Shao, Bacchi, Carlos, Swanson, David, Dickson, Brendan C., Antonescu, Cristina R.
author_facet Argani, Pedram, Zhang, Lei, Sung, Yun‐Shao, Bacchi, Carlos, Swanson, David, Dickson, Brendan C., Antonescu, Cristina R., Argani, Pedram, Zhang, Lei, Sung, Yun‐Shao, Bacchi, Carlos, Swanson, David, Dickson, Brendan C., Antonescu, Cristina R.
author_sort argani, pedram
container_issue 3
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container_title Genes, Chromosomes and Cancer
container_volume 59
description <jats:title>Abstract</jats:title><jats:p>We report a primary renal synovial sarcoma with a novel gene fusion and unusual morphology. The patient was a 35‐year‐old female who was found to have a 5 cm hypocellular, myxoid spindle cell renal neoplasm that subtly permeated amongst native renal tubules. The tumor cells showed elongated hyperchromatic nuclei with ill‐defined pale cytoplasm, lacking significant mitotic activity or necrosis. Based on its deceptively bland morphology, the differential diagnosis included mainly benign entities, such as metanephric stromal tumor, mixed epithelial stromal tumor (MEST), and myxoid peripheral nerve sheath tumors. A definitive diagnosis of synovial sarcoma was made only subsequently to RNA‐sequencing, which revealed a novel <jats:italic>SS18‐NEDD4</jats:italic> gene fusion. These results were further confirmed by fluorescence in situ hybridization using custom design break‐apart probes for both genes. This case illustrates the utility of targeted RNA‐sequencing in the classification of challenging tumors with deceptive morphology and identification of novel gene fusion variants. Apart from the canonical <jats:italic>SS18‐SSX</jats:italic> fusion, this is only the second alternative gene fusion variant described in synovial sarcoma to date, in addition to two cases harboring the <jats:italic>SS18L1‐SSX1</jats:italic> fusion.</jats:p>
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spelling Argani, Pedram Zhang, Lei Sung, Yun‐Shao Bacchi, Carlos Swanson, David Dickson, Brendan C. Antonescu, Cristina R. 1045-2257 1098-2264 Wiley Cancer Research Genetics http://dx.doi.org/10.1002/gcc.22814 <jats:title>Abstract</jats:title><jats:p>We report a primary renal synovial sarcoma with a novel gene fusion and unusual morphology. The patient was a 35‐year‐old female who was found to have a 5 cm hypocellular, myxoid spindle cell renal neoplasm that subtly permeated amongst native renal tubules. The tumor cells showed elongated hyperchromatic nuclei with ill‐defined pale cytoplasm, lacking significant mitotic activity or necrosis. Based on its deceptively bland morphology, the differential diagnosis included mainly benign entities, such as metanephric stromal tumor, mixed epithelial stromal tumor (MEST), and myxoid peripheral nerve sheath tumors. A definitive diagnosis of synovial sarcoma was made only subsequently to RNA‐sequencing, which revealed a novel <jats:italic>SS18‐NEDD4</jats:italic> gene fusion. These results were further confirmed by fluorescence in situ hybridization using custom design break‐apart probes for both genes. This case illustrates the utility of targeted RNA‐sequencing in the classification of challenging tumors with deceptive morphology and identification of novel gene fusion variants. Apart from the canonical <jats:italic>SS18‐SSX</jats:italic> fusion, this is only the second alternative gene fusion variant described in synovial sarcoma to date, in addition to two cases harboring the <jats:italic>SS18L1‐SSX1</jats:italic> fusion.</jats:p> Novel <i>SS18‐NEDD4</i> gene fusion in a primary renal synovial sarcoma Genes, Chromosomes and Cancer
spellingShingle Argani, Pedram, Zhang, Lei, Sung, Yun‐Shao, Bacchi, Carlos, Swanson, David, Dickson, Brendan C., Antonescu, Cristina R., Genes, Chromosomes and Cancer, Novel SS18‐NEDD4 gene fusion in a primary renal synovial sarcoma, Cancer Research, Genetics
title Novel SS18‐NEDD4 gene fusion in a primary renal synovial sarcoma
title_full Novel SS18‐NEDD4 gene fusion in a primary renal synovial sarcoma
title_fullStr Novel SS18‐NEDD4 gene fusion in a primary renal synovial sarcoma
title_full_unstemmed Novel SS18‐NEDD4 gene fusion in a primary renal synovial sarcoma
title_short Novel SS18‐NEDD4 gene fusion in a primary renal synovial sarcoma
title_sort novel <i>ss18‐nedd4</i> gene fusion in a primary renal synovial sarcoma
title_unstemmed Novel SS18‐NEDD4 gene fusion in a primary renal synovial sarcoma
topic Cancer Research, Genetics
url http://dx.doi.org/10.1002/gcc.22814