Ewing's sarcoma is usually seen in bones but 20-30% are found in extra skeletal soft tissues like in head and neck region. We present the case of Ewing sarcoma of hypopharynx in a 1 year old child who presented to us with acute respiratory distress. Child was intubated using videolaryngoscope and mass was removed using microdebrider. Final histopathological examination revealed Ewing sarcoma. EWSR1 gene rearrangement studies were advised, which the patient refused. Post-operative patient was started on adjuvant chemotherapy. PET CT after 2 months showed no FDG avid lesions within or elsewhere in the region of the body surveyed. There is no case of Ewing's sarcoma in hypopharynx reported to date. The clinical presentation, management and outcome has been discussed with a review of the literature.
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http://dx.doi.org/10.1007/s12070-023-03821-2 | DOI Listing |
J Natl Compr Canc Netw
December 2024
27University of Pittsburgh School of Medicine, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA.
Trends in diagnostic biopsy sample collection approaches for primary bone sarcomas have shifted in the past 2 decades. Although open/incisional biopsies used to be the predominant approach to obtain diagnostic material for Ewing sarcoma and osteosarcoma, image-guided core needle biopsies have increased in frequency and are safe for patients. These procedures are less invasive and reduce recovery times but have potential limitations.
View Article and Find Full Text PDFJ Am Acad Orthop Surg
December 2024
From the Vagelos College of Physicians of Surgeons, Columbia University, New York, NY (Garcia), and Department of Orthopedic Surgery, Columbia University Irving Medical Center, New York, NY (Tyler).
Introduction: The odds of metastatic disease at diagnosis of bone (BS) and soft-tissue sarcomas (STS) of the extremities and pelvis may vary among patients due to several factors. There is limited research comparing the rates of metastatic disease at diagnosis in patients from different demographic and socioeconomic backgrounds.
Methods: Patients with a primary BS or STS of the extremity or pelvis were identified using International Classification of Diseases codes.
Front Immunol
December 2024
Department of Pediatrics, Children's Cancer Research Center, Kinderklinik München Schwabing, TUM School of Medicine, Technical University of Munich, Munich, Germany.
Introduction: Pediatric sarcomas, including osteosarcoma (OS), Ewing sarcoma (EwS) and rhabdomyosarcoma (RMS) carry low somatic mutational burden and low MHC-I expression, posing a challenge for T cell therapies. Our previous study showed that mediators of monocyte maturation sensitized the EwS cell line A673 to lysis by HLA-A*02:01/CHM1-specific allorestricted T cell receptor (TCR) transgenic CD8 T cells (CHM1 CD8 T cells).
Methods: In this study, we tested a panel of monocyte maturation cytokines for their ability to upregulate immunogenic cell surface markers on OS, EwS and RMS cell lines, using flow cytometry.
World J Clin Oncol
December 2024
Department of Pathology, Peking University People's Hospital, Beijing 100044, China.
Background: Primary squamous cell carcinoma (SCC) of the middle ear is rare, with non-keratinizing basaloid types being exceptionally uncommon. Distinguishing these cancers, often caused by viral factors (, human papillomavirus or Epstein-Barr virus), or specific genetic alterations (, bromodomain-containing protein 4-nuclear protein in or gene fused with FLI chromosomal rearrangement), from other cranial conditions, is difficult. The recently identified DEK::AFF2 non-keratinizing SCC (NKSCC) is a novel subtype, fitting the World Health Organization classification of head and neck neoplasms.
View Article and Find Full Text PDFArch Bone Jt Surg
January 2024
Department of Pediatrics, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
Objectives: Limping is a frequent reason for visits to emergency departments. The causes of limping in children are various, ranging from benign musculoskeletal problems to serious etiologies, such as malignancy and infections.
Methods: In this recent cross-sectional study, we evaluated the causes of limps in children referred to the pediatric rheumatology ward in northeast Iran.
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