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Lethongsavarn V, Vieille P, Kikweta Makhama J, Azmani R, Lafrance W, Khneisser P, Truffaut N, Alame M, Genestie C, Gaspar N, Diedhiou A, Croce S, Le Loarer F. DICER1-mutated rhabdomyosarcoma of the ovary with teratoid features. Genes Chromosomes Cancer 2023; 62:746-754. [PMID: 37706559 DOI: 10.1002/gcc.23201] [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: 03/30/2023] [Revised: 08/24/2023] [Accepted: 08/28/2023] [Indexed: 09/15/2023] Open
Abstract
DICER1-mutated rhabdomyosarcoma is a rare, emerging entity with a predilection for the gynecologic and genitourinary tracts. We report here a case of DICER1-mutated rhabdomyosarcoma of the ovary in a 14 years old girl which displayed interspersed mature teratoid glands, neuroectodermal rosettes and immature blastematous-like tubes. Morphologically the sarcomatous component predominated, corresponding to a high grade spindle cell rhabdomyosarcoma with botryoid features. Islets of cartilage were present. The sarcomatous proliferation encased the teratoid glands, forming cambium layer-like arrangements. The sarcoma cells were Myogenin and MYOD1 positive, the neuroectodermal rosettes expressed SALL4 along with cytokeratins and EMA and were negative for Inhibin; immature blastematous-like tubes were negative for SALL4 and Inhibin. Whole RNA- and targeted DNA-sequencing revealed two DICER1 mutations in exon 26: c.5113G>A: p.(Glu1705Lys) and exon 12: c.1642C>T: p.(Gln548X). The sarcomatous component harbored a complex genetic profile while the teratoid component was diploid, none of the above displayed abnormality of 12p. DICER1-mutated sarcomas display pathological features similar to embryonal rhabdomyosarcomas, botryoid type. They also display heterogeneous features combining cartilage foci, teratoid mature glands, immature blastematous-like tubes and/or neuroectodermal components. Molecular testing remains necessary to confirm the diagnosis. Further studies need to clarify the nosology of DICER1-mutated sarcomas and devise specific therapeutic strategies.
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Affiliation(s)
- Vincent Lethongsavarn
- Department of Pathology, CHU de la Guadeloupe, Pointe-à-Pitre, France
- University of French West Indies (Universite des Antilles), Faculté de Médecine Hyacinthe Bastaraud, Pointe-à-Pitre, France
| | - Pierre Vieille
- Gynecology-Obstetrics, CHU de la Guadeloupe, Pointe-à-Pitre, France
| | | | - Rihab Azmani
- Bioinformatics, Data and Digital Health Department, Institut Bergonié, Comprehensive Cancer Center, Bordeaux, France
| | - Webert Lafrance
- Department of Oncology, CHU de la Guadeloupe, Pointe-à-Pitre, France
| | - Pierre Khneisser
- Department of Pathology, Institut Gustave Roussy, Villejuif, France
| | | | - Melissa Alame
- Department of Pathology, Institut Bergonie, Bordeaux, France
| | | | - Nathalie Gaspar
- Department of Pediatric Oncology, Institut Gustave Roussy, Villejuif, France
| | | | - Sabrina Croce
- Department of Pathology, Institut Bergonie, Bordeaux, France
- Bordeaux Institute of Oncology, BRIC U1312, INSERM, Université de Bordeaux, Institut Bergonié, Bordeaux, France
| | - François Le Loarer
- Department of Pathology, Institut Bergonie, Bordeaux, France
- Bordeaux Institute of Oncology, BRIC U1312, INSERM, Université de Bordeaux, Institut Bergonié, Bordeaux, France
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2
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Rakheja D, Park JY, Yang MS, Martinez DP, Koduru P, Wilson KS, Garcia R, Uddin N. Rhabdomyosarcoma With Epithelioid Features And NSD3::FOXO1 Fusion: Evidence For Reconsideration Of Previously Reported FOXO1::FGFR1 Fusion. Int J Surg Pathol 2023; 31:213-220. [PMID: 35502835 DOI: 10.1177/10668969221098084] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Epithelioid rhabdomyosarcoma is a rare rhabdomyosarcoma variant for which no diagnostic recurrent driver genetic events have been identified. Here we report a rapidly progressive and widely metastatic rhabdomyosarcoma with epithelioid features that arose in the thigh of a male infant. Conventional cytogenetics revealed a t(8;13)(p11.2;q14) translocation. Fluorescence in situ hybridization studies showed rearrangement of FOXO1 and amplification of its 3" end, and rearrangement of NSD3 and amplification of its 5` end. Next generation sequencing identified a NSD3::FOXO1 fusion, which is a previously unreported gene fusion. We also review the historic report of a FOXO1::FGFR1 fusion in a solid variant of alveolar rhabdomyosarcoma and propose that NSD3::FOXO1 fusion may have been the more appropriate interpretation of the data presented in that report.
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Affiliation(s)
- Dinesh Rakheja
- Department of Pathology, 12334University of Texas Southwestern Medical Center, Dallas, TX, USA.,Children's Health, Dallas, TX, USA
| | - Jason Y Park
- Department of Pathology, 12334University of Texas Southwestern Medical Center, Dallas, TX, USA.,Children's Health, Dallas, TX, USA
| | - Mary S Yang
- Children's Health, Dallas, TX, USA.,Department of Radiology, 12334University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Diana P Martinez
- Department of Pathology, 12334University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Prasad Koduru
- Department of Pathology, 12334University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Kathleen S Wilson
- Department of Pathology, 12334University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Rolando Garcia
- Department of Pathology, 12334University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Naseem Uddin
- Department of Pathology, 12334University of Texas Southwestern Medical Center, Dallas, TX, USA.,Children's Health, Dallas, TX, USA
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3
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Embryonal Rhabdomyosarcoma of the Uterine Cervix: A Clinicopathologic Study of 94 Cases Emphasizing Issues in Differential Diagnosis Staging, and Prognostic Factors. Am J Surg Pathol 2022; 46:1477-1489. [PMID: 35941719 DOI: 10.1097/pas.0000000000001933] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Embryonal rhabdomyosarcoma of the uterine cervix (cERMS) is rare and frequently associated with DICER1 mutations. We report 94 tumors that arose in patients aged 7 to 59 (median=23) years and presented with vaginal bleeding (52), protruding vaginal mass (17), cervical polyp (8), or expelled tumor fragments per vagina (5). Nine had DICER1 syndrome, 8 of whom had other syndromic manifestations including ovarian Sertoli-Leydig cell tumor (7), multinodular goiter (3), pleuropulmonary blastoma (2), pineoblastoma (1), and osteosarcoma (1). Syndromic patients were younger than nonsyndromic patients (16 vs. 24 y). Tumor size ranged from 2 to 24 (median=4.5) cm. Ninety-two tumors were polypoid, most being grape-like (77 of 92). They were characterized by aggregates of primitive cells, almost always exhibiting a cambium layer, within a variably myxoedematous stroma and were hypocellular (63), moderately cellular (22), or hypercellular (9). Entrapped glands, typically scant, were present in 84 tumors. Primitive hyperchromatic ovoid to spindled cells with minimal cytoplasm predominated but differentiated rhabdomyoblasts with abundant eosinophilic cytoplasm (having cross-striations in 30) were seen in 83 tumors; they were often sparse but predominated in three. Nine tumors showed areas of intersecting fascicles and 4 zones with densely cellular (solid) growth. Cartilage was present in 38. Anaplasia was seen in 15 tumors, as was necrosis. Mitotic activity ranged from 1 to 58/10 high-power fields (median=8). The varied microscopic features resulted in a spectrum of differential diagnostic considerations, mainly typical and cellular forms of fibroepithelial polyps, Mullerian adenosarcoma, and other sarcomas. Follow-up was available for 79 patients ranging from 6 to 492 (median=90) months. Treatment information was available in 62 and included polypectomy in 6 patients (2 also received chemotherapy), limited resection in 26 (14 also received chemotherapy), hysterectomy in 29 (15 with adjuvant chemotherapy), and biopsies only in 1 (with chemotherapy). Staging was possible in 56 tumors; according to the "uterine sarcoma" system (tumor size and extent) they were: stage I (10/56; could not be further subclassified as size not available), IA (22/56), IB (18/56), IIA (2/56), IIB 3/56), IIIC (1/56). According to the "adenosarcoma" system (depth of invasion and extent) they were: stage IA (26/56), IB (14/56), IC (10/56), IIA (2/56), IIB (3/56), IIIC (1/56). Eight patients had local recurrence following incomplete excision (10%). Eleven of 79 patients had extrauterine recurrences (14%) and 9 died of disease (11%). Older age was associated with extrauterine recurrence (median 44 vs. 22; P=0.002) and decreased disease-specific survival (median 44 vs. 22; P=0.02). For patients with tumors initially confined to the cervix, the adenosarcoma staging system was superior to the uterine sarcoma staging system for predicting survival (P=0.02). Three patients with DICER1 syndrome who underwent fertility-preserving surgery developed a second primary cERMS 7, 7, and 12 years after their primary tumor. All 9 patients with DICER1 syndrome had tumors confined to the cervix and none died of disease. This study highlights the intriguing clinical aspects of cERMS including its long-known tendency to occur in the young but also more recently appreciated association with DICER1 syndrome. Establishing the diagnosis may still be difficult because of the hazard of sampling a neoplasm which in areas may appear remarkably bland and also because of its potential confusion with other neoplasms. This study indicates that this tumor has a good prognosis at this site and in selected cases a conservative surgical approach is a realistic consideration.
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4
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Wilson DB, Hoefgen HR, Vrecenak JD. "Uterine Sarcoma Auto-Amputation in an Infant with DICER1 Syndrome". J Pediatr Adolesc Gynecol 2022; 35:411-412. [PMID: 34973456 DOI: 10.1016/j.jpag.2021.12.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 12/16/2021] [Indexed: 10/19/2022]
Affiliation(s)
- David B Wilson
- Departments of Pediatrics, Developmental Biology, Washington University School of Medicine, St. Louis, Missouri.
| | - Holly R Hoefgen
- Department of Obstectrics & Gynecology, Washington University School of Medicine, St. Louis, Missouri
| | - Jesse D Vrecenak
- Department of Surgery, Washington University School of Medicine, St. Louis, Missouri
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5
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Rakheja D, Park JY, Alhasan M, Uddin N. Spindle Cell/Sclerosing Rhabdomyosarcoma With PAX8::PPARG Fusion. Int J Surg Pathol 2022; 30:950-955. [DOI: 10.1177/10668969221095170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The spindle cell/sclerosing subtype of rhabdomyosarcoma is classified based on genetic features into the three categories of MYOD1-mutated, gene fusion-driven, and a subset without a currently identified genetic driver event. The gene fusion-driven spindle cell/sclerosing rhabdomyosarcomas are heterogenous and characterized by increasing numbers of gene fusions, the most common gene partners being VGLL2, NCOA2, and TFCP2. Here we report a spindle cell/sclerosing rhabdomyosarcoma that arose in the orbit of a 4-year-old male. This tumor harbored a unique PAX8::PPARG fusion. PAX8::PPARG fusions have previously only been described in follicular thyroid carcinoma and follicular variant of papillary thyroid carcinoma. Our report adds to the growing number of gene fusions in spindle cell/sclerosing rhabdomyosarcomas.
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Affiliation(s)
- Dinesh Rakheja
- Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX, USA
- Children’s Health, Dallas, TX, USA
| | - Jason Y. Park
- Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX, USA
- Children’s Health, Dallas, TX, USA
| | - Mustafa Alhasan
- Department of Radiology, University of Texas Southwestern Medical Center, Dallas, TX, USA
- Children’s Health, Dallas, TX, USA
| | - Naseem Uddin
- Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX, USA
- Children’s Health, Dallas, TX, USA
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DICER1-sarcoma: an emerging entity. Mod Pathol 2021; 34:2096-2097. [PMID: 34642426 DOI: 10.1038/s41379-021-00935-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 09/10/2021] [Accepted: 09/15/2021] [Indexed: 11/08/2022]
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7
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Meng L, Zhang Q, Han Q, Sun X, Liu Y, Huang X. Embryonic cervical rhabdomyosarcoma complicated with uterine inversion with cerebral venous sinus thrombosis as the first symptom: a case report and literature review. J Int Med Res 2021; 49:3000605211031776. [PMID: 34369193 PMCID: PMC8358511 DOI: 10.1177/03000605211031776] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
The probability of rhabdomyosarcoma occurring in the cervix is less than 0.5% and may be associated with a pathogenic dicer 1, ribonuclease III (DICER1) gene variation. Tumour-induced hypercoagulability and high levels of cancer antigen (CA) 125 are risk factors for cerebral venous sinus thrombosis (CVST). In addition, although nonpuerperal uterine inversion is very rare and is usually caused by leiomyomas from the uterus, large cervical masses can also be the cause. This case report describes a 24-year-old woman with uterine inversion caused by an embryonic cervical rhabdomyosarcoma that presented with CVST as her first symptom. The patient underwent laparoscopic total uterus and bilateral salpingectomy, during which the uterus was found to be completely inverted. Postoperative pathology confirmed embryonic cervical rhabdomyosarcoma. The patient quickly developed lung and para-aortic lymph node metastases. Two months later, the patient died of complications. When coagulation indices in patients with tumours are abnormal, especially when the levels of D-dimer and CA125 increase, it is recommended that anticoagulant therapy is administered in a timely manner to prevent the occurrence of CVST. Furthermore, for large cervical tumours, physicians should also be alert to the occurrence of uterine inversion.
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Affiliation(s)
- Li Meng
- Department of Gynaecology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei Province, China
| | - Qianqian Zhang
- Department of Gynaecology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei Province, China
| | - Qingqing Han
- Department of Gynaecology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei Province, China
| | - Xianghang Sun
- Department of Gynaecology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei Province, China
| | - Yin Liu
- Department of Obstetrics, The Fourth Hospital of Hebei Medical University, Shijiazhuang, Hebei Province, China
| | - Xianghua Huang
- Department of Gynaecology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei Province, China
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