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https://www.readbyqxmd.com/read/29147156/popliteal-artery-pseudoaneurysm-associated-with-osteochondroma
#1
Ai Takahashi, Tetsuro Uchida, Azumi Hamasaki, Yoshinori Kuroda, Ohba Eiichi, Atsushi Yamashita, Jun Hayashi, Daisuke Watanabe, Shingo Nakai, Seigo Gomi, Mitsuaki Sadahiro
Osteochondroma is the most common benign bone tumor, which can sometimes cause vascular complications. Here we report two rare cases (a 48-year-old woman and a 28-year-old woman) presenting with pain and a pulsatile mass in the popliteal region. Computed tomography revealed pseudoaneurysm in the popliteal artery, which was closely associated with a protrusion of a femoral osteochondroma. Surgical repairs were performed, and the patients remained asymptomatic during follow-up. Therefore, considering the potential risk of vascular complications, close observation is mandatory in patients with femoral osteochondroma...
September 25, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29145301/sinonasal-osteoblastomas-in-the-middle-turbinate-two-case-reports
#2
Jong Seung Kim, Sam Hyun Kwon
RATIONALE: Sinonasal osteoblastoma is an extremely rare benign bone-forming tumor. PATIENT CONCERNS: We report 2 extremely rare cases of sinonasal osteoblastoma in the middle turbinate. DIAGNOSES: The preoperative diagnosis was osteoma in the middle turbinate. INTERVENTIONS: We performed endoscopic removal of the mass in the middle turbinate and frontal recess. OUTCOMES: Histological examination of biopsy specimens revealed osteoblastoma...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29132383/an-unusually-large-osteochondroma-of-the-mandibular-angle-a-case-report
#3
Ryosuke Abe, Ikuya Miyamoto, Hirotaka Sato, Daishi Saitou, Genki Yamaya, Hiroyuki Yamada
BACKGROUND: Osteochondroma is a benign bone tumor that can occur in both the mesenchymal and craniofacial bones. However, craniofacial osteochondromas are extremely rare, because the mandible develops by intramembranous ossification rather than by endochondral ossification. CASE PRESENTATION: The most common site of craniofacial osteochondroma is the mandibular condyle, followed by the coronoid process. In the present study, we have described the case of a 64-year-old Japanese man with an unusually large osteochondroma located on the internal angle of the mandibular body...
November 13, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29129546/solitary-intraosseous-myofibroma-of-the-ilium-in-an-adult-patient-a-case-report-and-literature-review
#4
Hiroyuki Tsuchie, Giuseppe Bianchi, Marco Gambarotti, Davide Maria Donati
BACKGROUND: Myofibroma is a rare benign tumor typically occurring in the skin and subcutaneous tissues of the head and neck in infants and young children. The incidence of solitary intraosseous and adult myofibroma is extremely low. Although there have been a few reported cases of solitary intraosseous myofibroma in adult patients, most of these cases involved the craniofacial bones. METHODS: We present the case of a 64-years-old woman presenting with minimal pain of the right buttock and groin...
November 9, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29125822/liposclerosing-myxofibrous-tumor-a-rare-tumor-of-proximal-femur
#5
Ozan Beytemür, Ümit Seza Tetikkurt, Cem Albay, Gonca Kavşut, Akif Güleç
Liposclerosing myxofibrous tumor is a very rarely observed benign fibro-osseous lesion, which contains complex histological structures. It was first described in the year 1986. Histopathological examination of the lesion may show myxoid areas, osteoclastic activity, bone trabeculae similar to fibrous dysplasia, fat necrosis, ischemic ossification and rarely cartilage components. This lesion, which is particularly localized to the proximal femur, is thought to be associated with fibrous dysplasia. In this case report, we aim to present a liposclerosing myxofibrous tumor case, which was treated surgically, in light of the literature review...
December 2017: Eklem Hastalıkları Ve Cerrahisi, Joint Diseases & related Surgery
https://www.readbyqxmd.com/read/29124468/mortality-following-benign-sacral-insufficiency-fracture-and-associated-risk-factors
#6
Jae-Woo Park, Sang-Min Park, Hui Jong Lee, Choon-Ki Lee, Bong-Soon Chang, Hyoungmin Kim
This study demonstrated increased mortality following sacral insufficiency fractures as with other major osteoporotic fractures. The 6-month mortality rate was 9.8%, the 1-year mortality rate was 17.5%, and the 3-year mortality rate was 25.5%. Sex- and age-adjusted standardized mortality ratio increased after fractures. INTRODUCTION: There are no data about mortality after sacral insufficiency fractures. The purposes of this study were to investigate the mortality rate among sacral insufficiency fracture patients and to identify risk factors associated with mortality...
November 9, 2017: Archives of Osteoporosis
https://www.readbyqxmd.com/read/29123414/low-grade-central-osteosarcoma-in-proximal-humerus-a-rare-entity
#7
Fan Tang, Li Min, Yong Zhou, Yi Luo, Chongqi Tu
Low-grade central osteosarcoma is a rare subtype of tumor with low-grade malignancy. Currently, wide resection with negative resection margin is the standard treatment for this disease. The role of neoadjuvant chemotherapy in low-grade central osteosarcoma was controversial and was mostly considered for tumors containing high-grade focal areas. Local tumor recurrences often exhibited a tumor with higher histologic grade or differentiation with the potential for metastases. In low-grade central osteosarcoma, timely wide resection after definite diagnosis can result in 5-year survival for almost 90%...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29113670/primary-arthroplasty-in-healed-osteoarticular-allograft-in-patients-with-history-of-primary-femoral-bone-tumors
#8
Bianca M Verbeek, Courtney L Kaiser, Nuno Rui Paulino Pereira, Francis J Hornicek, Kevin A Raskin, Joseph H Schwab, Santiago A LozanoCalderón
BACKGROUND: Roughly 25-35% of patients who are treated with osteoarticular allograft for primary bone sarcomas or aggressive benign bone tumors require surgery in the long-term due to degenerative changes of the articular surface of the allograft. There are three established methods of reconstruction for this complication; a total hip arthroplasty (THA) or total knee arthroplasty (TKA) in the retained osteoarticular allograft, a proximal or distal endoprosthesis after removal of the allograft, and an allograft-prosthesis composite (APC)...
December 2017: Surgical Oncology
https://www.readbyqxmd.com/read/29111302/-cryopyrin-associated-periodic-syndromes
#9
P Quartier, F Rodrigues, S Georgin-Lavialle
Cryopyrin-associated periodic syndromes (CAPS) are linked to one single gene mutations, however they are associated with 3 syndromes, which are, from the mildest to the most severe phenotype familial cold urticaria, Muckle-Wells syndrome and chronic, infantile, neurologic, cutaneous, articular (CINCA) syndrome also called neonatal-onset multisystem inflammatory disease (NOMID). Autosomic dominant inheritance is present in most cases but in CINCA/NOMID syndrome where neomutations are more common. Mutations in the gene encoding cryopyrin, NLRP3, are associated with deregulation of caspase-1 activity, excessive interleukin-1 production and an autoinflammatory syndrome, which in familial cold urticaria and Muckle-Wells syndrome may be triggered or worsened by exposure to coldness...
October 27, 2017: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/29109848/a-hemangioma-of-the-zygomatic-bone-management-ensuring-good-reconstructive-and-aesthetic-results
#10
REVIEW
Gabriele Bocchialini, Andrea Castellani, Anna Bozzola, Alessandro Rossi
Hemangiomas are benign tumors representing only 0.7 to 1% of all bone tumors; those that arise in the zygomatic region are rarely described in the literature. Here, we describe the case of a 55-year-old woman with a mass in the right orbitozygomatic region. She was diagnosed on the basis of preoperative clinical manifestations, data from an earlier histopathological examination, and computed tomography (CT). The CT scan revealed a lesion in the right zygomatic region at the level of the cancellous component...
December 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/29109062/dural-penetration-of-cavernous-hemangioma-on-skull-an-uncommon-clinical-presentation
#11
Hyun-Seung Ryu, Kyung-Sub Moon, Kyung-Hwa Lee, In-Young Kim, Shin Jung
Cavernous hemangioma (CH) of bone is a rare, benign neoplasm and usually found in the vertebral body. This tumor rarely develops in the calvaria, with predilection to occur in the frontal and temporo-parietal bones. A 56-year-old man with a right frontal palpable mass was admitted to our hospital. Magnetic resonance imaging (MRI) revealed a large extra-axial tumor in right frontal bone. Intraoperatively, the bony mass involved the multilayers composed of extracranium-skull-dura-intradura-cortex. Pathological examination revealed a typical calvarial CH penetrating dura mater...
November 3, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29100675/skull-base-plasmacytoma-a-unique-case-of-poems-syndrome-with-a-plasmacytoma-causing-craniocervical-instability
#12
Hannah Gilder, Meghan E Murphy, Mohammed Ali Alvi, Panagiotis Kerezoudis, Daniel Shepherd, Patrick R Maloney, Michael J Yaszemski, Jonathan M Morris, Angela Dispenzieri, Jane M Matsumoto, Mohamad Bydon
INTRODUCTION: Plasmacytomas, considered to be the solitary counterparts of multiple myeloma, are neoplastic monoclonal plasma cell proliferations within soft tissue or bone. Plasmacytomas often present as a collection of findings known as POEMS-syndrome (Polyneuropathy, Organomegaly, Endocrinopathy, M-Protein spike, and Skin changes). CASE DESCRIPTION: We present a report of a 47 yo male diagnosed with POEMS-syndrome secondary to a skull base plasmacytoma. The mass resulted in marked instability of the cranio-cervical junction due to bony erosion...
October 31, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29089162/tumor-like-conditions-of-the-hand-and-upper-extremity
#13
REVIEW
Courtney E Sherman, Peter M Murray
Tumor-like conditions of the hand and upper extremity typically present as masses and can be confused as more serious conditions. The differential diagnosis of these lesions can cross over with many more commonly recognized benign and malignant upper limb tumors, and it is, therefore, important for the hand surgeon to be familiar with tumor-like conditions. The diagnosis of these lesions often can be made on clinical grounds supported by a careful physical examination and plain film radiography. Advanced imaging and excisional biopsy may be needed in many circumstances to secure the diagnosis given their similarity with bone and soft tissue sarcomas...
October 28, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29082381/an-unusual-gastrointestinal-stromal-tumor-presentain-breast-liver-and-lymph-node-metastasis
#14
Bermal Hasbay, Hüseyin Özgür Aytaç, Fazilet Kayaselçuk, Neşe Torun
Gastrointestinal Stromal Tumors (GIST) are the common mesenchymal tumors of gastrointestinal tract. They can display benign and malignant clinical behavior. The most common metastasis sites of malignant stromal tumor are liver, peritoneum, lung and bones. Metastasis to breast is extremely rare. Here, we present a case of GIST with liver, bone, lymph node and breast metastasis by reviewing the literature.
October 2017: Eur J Breast Health
https://www.readbyqxmd.com/read/29079234/primary-tumor-and-tumor-like-lesions-of-bones-of-the-foot-single-center-experience-of-166-cases
#15
Devrim Özer, Osman Emre Aycan, Sait Turgay Er, Rahime Tanrıtanır, Yavuz Arıkan, Yavuz Selim Kabukçuoğlu
Primary bone tumors of the foot are rare lesions. The purpose of the present study was to evaluate the clinical manifestations, treatment modalities, and recurrences of various primary bone tumors of the foot from a specialized center for orthopedic oncology. Among 3681 musculoskeletal tumor cases, which were diagnosed and surgically treated in our hospital from 1983 to 2013, 166 primary tumor and tumor-like bone lesions of the foot (4.5%) were retrospectively reviewed regarding age, gender, localization, biopsy-revealed diagnosis, applied treatment modalities, follow-up period, and recurrence, if any...
November 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29077687/autogenous-partial-bone-chip-grafting-on-the-exposed-inferior-alveolar-nerve-after-cystic-enucleation
#16
Mi Hyun Seo, Mi Young Eo, Yun Ju Cho, Soung Min Kim, Suk Keun Lee
This prospective study evaluated the clinical effectiveness of the new approach of partial autogenous bone chip grafts for the treatment of mandibular cystic lesions related to the inferior alveolar nerve (IAN). A total of 38 patients treated for mandibular cysts or benign tumors were included in this prospective study and subsequently divided into 3 groups depending on the bone grafting method used: cystic enucleation without a bone graft (group 1), partial bone chip graft covering the exposed IAN (group 2), and autogenous bone graft covering the entire defect (group 3)...
October 26, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29075896/imaging-appearances-of-soft-tissue-tumors-of-the-pediatric-foot-review-of-a-15-year-experience-at-a-tertiary-pediatric-hospital
#17
REVIEW
Pablo Caro-Domínguez, Oscar M Navarro
Tumors of the foot are rare in children. In this review the authors illustrate radiographic, sonographic and MR imaging findings of foot soft-tissue tumors in children based on all cases presenting at a tertiary pediatric hospital during the 15-year period of 1999-2014. Among these cases there were 155 tumors of the foot - 72 of the bones and 83 of the soft tissues. Vascular malformations, fibromatosis and sarcomas were respectively the most frequent benign, intermediate and malignant soft-tissue tumors. Some tumors showed specific imaging findings...
November 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/29067502/a-multidisciplinary-approach-for-the-treatment-of-young-patients-with-suprasellar-osteochondroma
#18
Maria Chiara Zanotti, Israel Melamed, Victor Diomin, Eyal Walter, Lior Baraf, Merav Frenkel, Ilan Shelef
BACKGROUND: Osteochondroma is the most common benign bone tumor; intracranial osteochondroma is a very rare finding in the neurosurgical literature and most of them arise from the skull base. CASE REPORT: We report a case of suprasellar ostheocondroma in a 16-year-old female, with its CT and MRI appearances, which caused visual deficits, resolved after surgery. DISCUSSION: To our knowledge, this is the fifth case of osteochondroma affecting the suprasellar region that has been reported, with all the characteristic features of this tumor: optic chiasmal syndrome, intralesional calcifications, cartilage cap, and contrast enhancement...
October 24, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29064415/solitary-intra-osseous-myofibroma-of-the-jaw-a-case-report-and-review-of-literature
#19
Anita Dhupar, Karla Carvalho, Poonam Sawant, Anita Spadigam, Shaheen Syed
Myofibroma is a rare benign spindle cell neoplasm in children that usually affects both soft tissue and bone in the head and neck region. Approximately one third of these cases are seen within jaw bones as solitary lesions. Solitary intra-osseous myofibroma of the jaw bone shares its clinical, radiographic and histological features with other spindle cell tumors. The rarity of this lesion can make diagnosis difficult for clinicians and pathologists. We report a case of a solitary intra-osseous myofibroma in the mandible of a nine-year-old child...
October 24, 2017: Children
https://www.readbyqxmd.com/read/29058044/giant-angioleiomyoma-of-the-sacral-foramina-an-unusual-location
#20
Sang Min Lee, Doo Hoe Ha, Haeyoun Kang, Hye Jin Lee
Angioleiomyoma is a benign, vascular smooth muscle tumor originating from the tunica media of the vessel wall. In general, it typically arises in the cutaneous, subcutaneous tissue or fascia of the lower extremities in middle-aged women and is less than 2 cm in diameter. We report an unusual case of an angioleiomyoma of the sacral foramina in an 82-year-old man. MRI revealed a well-defined irregular-shaped deep-seated mass in the sacral foramina, showing branching pattern of growth associated with pressure bony erosion of the adjacent bones, with isointense to hypointense signal on T2-weighted images...
October 20, 2017: Skeletal Radiology
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