5 documents found, page 1 of 1
Intraosseous Schwannoma: Case Report and Review of the Literature
Drumond,Gustavo Costalonga; Nakagawa,Suely Akiko; Costa,Felipe D'Almeida; Souza,Murilo Yokoo Teodoro de; Comunello,Juliane; Chung,Wu TuAbstract Schwannoma is a benign neural sheath tumor of the soft tissue, and its intraosseous presentation is very rare. It is estimated that intraosseous schwannomas represent 0.2% of all bone tumors. The tumor may affect any site of the skeleton, including the mandible, the sacrum, vertebral bodies, the ulna, the humerus, the femur, the tibia, the patella, the scapula, the ribs, and small bones of the hand. Th...
Lipoma arborescens of the elbow: a case with features of a high-grade tumor
Cerqueira,Wagner Santana; Melo,Rayssa Araruna Bezerra de; Costa,Felipe D'Almeida; Comunello,Juliane; Bitencourt,Almir Galvão Vieira; Chung,Wu TuABSTRACT Lipoma arborescens (LA) is an uncommon non-neoplastic disorder that may affect almost any joint, mainly the knee. LA is very rare in the elbow, and there are only a few cases reported in the literature. This study aimed to describe a case of LA in the elbow, presenting with features of a high-grade tumor. The authors report the case of a 51-years-old male who presented to this institution with pain and...
Primary angiosarcoma of the femur in a patient with Takayasu arteritis
Comunello,Juliane; Nakagawa,Suely Akiko; Costa,Felipe D’Almeida; Cerqueira,Wagner Santana; Chung,Wu Tu; Pinto,Fábio Fernando EloiABSTRACT Primary osseous angiosarcoma is a rare entity with variable biological behavior and poor prognosis. Little is known about the oncologic treatment and its etiology is still unknown. This study presents a case of lytic lesion in the right femur with dissemination to other bones, such as the vertebral column and skull, and to the lungs and central nervous system. Orthopedic surgery was performed in order ...
Osteoid osteoma - radiofrequency ablation treatment guided by computed tomograp...
Endo,Rosana Raquel; Gama,Natalia Fabris; Nakagawa,Suely Akiko; Tyng,Chiang Jeng; Chung,Wu Tu; Pinto,Fábio Fernando EloiABSTRACT The osteoid osteoma is a benign primary bone tumor that affects mainly males in the second and third decades of life. Radiographic findings show a radiolucent nidus surrounded by reactive sclerotic bone, particularly in the long bones of the lower extremity. Clinically, it presents persistent pain, which is worse at night and improves with salicylates. It can be a self-limiting injury, with an average ...
Biópsia percutânea de lesões ósseas guiada por tomografia computadorizada: taxa...
Maciel,Macello Jose Sampaio; Tyng,Chiang Jeng; Barbosa,Paula Nicole Vieira Pinto; Bitencourt,Almir Galvão Vieira; Matushita Junior,João Paulo KawaokaObjetivo: Determinar taxas de definição diagnóstica e complicações da biópsia percutânea guiada por tomografia computadorizada (TC) de lesões ósseas suspeitas de malignidade. Materiais e Métodos: Estudo retrospectivo que incluiu 186 casos de biópsia percutânea guiada por TC de lesões ósseas no período de janeiro de 2010 a dezembro de 2012. Todas as amostras foram obtidas usando agulhas de 8 a 10 gauge. Foram co...