Primary conjunctival rhabdomyosarcoma (RMS) is a rare entity that can present with or without papillomatous features. A 5-year-old Asian boy was referred for a rapidly growing conjunctival tumor in the superior fornix of the left eye. Surgical excision yielded a 28 mm multilobulated papillomatous specimen that exhibited histopathologic and immunohistochemical features consistent with embryonal (botryoid) RMS. Molecular analysis revealed the absence of the PAX3/FOXO1 fusion gene, indicating favorable prognosis. After surgery, he was promptly treated with systemic chemotherapy and proton beam radiotherapy.
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http://dx.doi.org/10.4103/meajo.MEAJO_8_18 | DOI Listing |
Indian J Otolaryngol Head Neck Surg
December 2024
Dept of ENT and Head & neck surgery, Kasturba Medical College, Mangalore Manipal Academy of Higher Education, Manipal, India.
Embryonal rhabdomyosarcoma is the malignant mesenchymal proliferation of undifferentiated skeletal muscle. It is the most common soft tissue tumour found in children. Head and neck location accounts for 40% of the cases with the most common variants being of embryonal Nasopharyngeal RMS is a type of parameningeal RMS (arising from tissues adjacent to the meninges) having propensity for CNS and known for having a poorer prognosis, early recurrence, rapid growth and invasion to adjacent structures.
View Article and Find Full Text PDFRadiol Case Rep
December 2024
Pediatric Radiology Department, Rabat Children's Hospital, Ibn Sina, Hospital, Mohamed V University, Rabat, Morocco.
Botryoid rhabdomyosarcoma is a rare and aggressive malignancy that primarily affects the female genital tract in children. It arises from embryonal rhabdomyoblasts. The vagina is the most common site, but it can also occur, although rarely, in the cervix or uterine fundus.
View Article and Find Full Text PDFInt J Surg Case Rep
October 2024
Department of Surgery, School of Medicine, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania.
Introduction And Importance: Rhabdomyosarcoma [RMS] is a malignant soft-tissue neoplasm characterized by skeletal muscle differentiation. It accounts for 7 % of childhood malignancies and is, by a wide margin, the most common sarcoma of childhood (Pappo, 1996). Approximately 20 % of cases of childhood rhabdomyosarcoma occur in the genitourinary tract (vagina, urinary bladder, prostate, paratestis, and uterus), and they are most commonly observed in the head and neck region.
View Article and Find Full Text PDFCancers (Basel)
September 2024
Department of Oncology, The Children's Memorial Health Institute, Al. Dzieci Polskich 20, 04-730 Warsaw, Poland.
Am J Surg Pathol
August 2024
Department of Pathology & Laboratory Medicine, Memorial Sloan Kettering Cancer Center.
Embryonal rhabdomyosarcoma (ERMS) is the most common subtype of RMS, occurring in soft tissue and visceral sites of young children, and is associated with favorable outcomes. A subset occurs in mucosal-lined luminal structures, displaying a unique grape-like growth termed as "botryoid-type." To further delineate the differences between conventional (cERMS) and botryoid-type (bERMS) RMS, we performed a comparative histologic review and comprehensive molecular profiling of 48 cases (25 bERMS and 23 cERMS).
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