A rapidly enlarging right sternoclavicular mass in a young male was labeled as a nonspecific mass. MRI played a crucial role in characterizing the lesion, helping to define the possible mesenchymal origin and the relative involvement of the surrounding structures. We also discuss the differential diagnosis of an extraosseus Ewing sarcoma (ES), with its imaging findings.
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http://dx.doi.org/10.2484/rcr.v10i2.1117 | DOI Listing |
Rev Esp Enferm Dig
March 2024
Anatomía Patológica, Hospital Universitario Basurto.
We present the clinical case of a 21-year-old male with abdominal pain in the left hypochondrium radiating to the ipsilateral lumbar area and a weight loss of 2kg over a month, secondary to a large palpable intra-abdominal mass in the examination. TAC revealed a large solid mass with necrotic-cystic component which depended of the pancreas, infiltrated the spleen, enveloped the celiac trunk and affected to the splenic vases. Inmunohistochemical and molecular study confirmed the diagnosis extraosseus Ewing sarcoma (EES).
View Article and Find Full Text PDFCureus
July 2020
Orthopaedics, University College of Medical Sciences and Guru Teg Bahadur Hospital, Delhi, IND.
A 22-year-old female presented with painful, progressive swelling of the right forearm for six months. Physical examination revealed a 7 cm x 5 cm firm, tender soft-tissue swelling over the anterior aspect of the right proximal forearm with normal overlying temperature. X-rays showed increased soft tissue shadow but without any bony involvement.
View Article and Find Full Text PDFJ R Coll Physicians Edinb
June 2020
Department of Respiratory Medicine, Royal Lancaster Infirmary, University Hospitals of Morecambe Bay NHS Foundation Trust.
Ewing sarcoma usually develops in the second decade of life as a primary osseous malignancy. An extraskeletal primary source of this condition from the lung parenchyma is extremely uncommon. We report the case of a 33-year old man with primary Ewing sarcoma of the lung diagnosed upon postsurgical histological examination.
View Article and Find Full Text PDFBMC Surg
May 2020
Vilnius University, Faculty of Medicine, Vilnius, Lithuania.
Background: Ewing's sarcoma usually presents in paediatric patients with its primary location being bone tissue. Nevertheless, we present such an adult case which arises from the small intestine. We registered thirty one cases of such origin published so far excluding ours.
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April 2020
Internal Medicine, Chicago Medical School, Rosalind Franklin University, North Chicago, USA.
Primitive neuroectodermal tumors (PNET, previously referred to as peripheral neuroepithelioma) are rare malignant tumors with various degrees of differentiation belonging to the Ewing's family of sarcomas. They are classified as round cell tumors arising from soft tissues. In rare instances, PNETs may arise from solid organs containing neuroendocrine cells of kidney, bladder, heart, lungs, parotid glands and pancreas.
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