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Metanephric stromal tumor as a rare differential diagnosis of a renal mass in children - a case report.
Pediatr Radiol
January 2025
Pediatric Radiology, Kinderradiologie, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität Zu Berlin, Augustenburger Platz 1, Berlin, 13353, Germany.
This report presents the case of a benign metanephric stromal tumor that occurred in the kidney of a 5-year-old boy and in which differentiation from a nephroblastoma was successful. Radiological assessment played the decisive role in this case, as the low initial volume, a high apparent diffusion coefficient, and lack of rapid tumor growth were considered atypical for a nephroblastoma. The boy underwent successful kidney-preserving resection without neoadjuvant chemotherapy, and intraoperative contrast-enhanced ultrasound examination helped to accurately define the tumor margins.
View Article and Find Full Text PDFOrthopedic management of a patient with synovial chondromatosis.
JAAPA
February 2025
Shawn C. Smith and Garrett M. Snyder practice in orthopedics in Loveland, Colo. The authors have disclosed no potential conflicts of interest, financial or otherwise.
This article reviews practice guidelines, diagnosis, and treatment for synovial chondromatosis, a rare, benign condition that involves the synovium of the joints, most commonly the knee. The condition also can affect the hip, ankle, shoulder, elbow, and temporomandibular joint.
View Article and Find Full Text PDFExtrafollicular Adenomatoid Odontogenic Tumors: A Series of Five Rare Cases with an Insight into Its Clinicopathological Aspects.
Contemp Clin Dent
December 2024
Department of Oral Pathology, Dr. R Ahmed Dental College, Kolkata, West Bengal, India.
Adenomatoid odontogenic tumors (AOT), first described by Steensland in 1905, are benign, slowly enlarging, nonaggressive, odontogenic epithelial neoplasms comprising 3%-7% of all odontogenic tumors. They tend to originate from the dental lamina remnants or the reduced enamel epithelium. Mutation at codon 12 of KRAS oncogene (Kirsten rat sarcoma viral oncogene homolog) plays a pivotal role in the pathogenesis.
View Article and Find Full Text PDFMalignant Pilomatricoma with Lung Metastases: A Case Report and Literature Review.
Arch Plast Surg
January 2025
Department of Pathology, Medical School of Jeonbuk National University, Jeonju, Republic of Korea.
Malignant pilomatricoma, an extremely rare tumor arising from hair follicles, most commonly occurs on the head, neck, and back. This tumor exhibits several noteworthy characteristics. First, it frequently recurs if it is incompletely excised and can occasionally metastasize to the lungs, bones, and lymph nodes.
View Article and Find Full Text PDFPrimary synovial chondromatosis of the ankle: A case report with radiologic and imaging findings.
Radiol Case Rep
March 2025
Clinical Research Development Unit of Akhtar Hospital, Shahid Beheshti University of Medical Science, Tehran, Iran.
Synovial chondromatosis (SC) is a rare, benign joint disorder characterized by cartilaginous nodule formation within the synovial membrane. While SC typically affects larger joints such as the knee and hip, ankle involvement is exceptionally uncommon, with only a few cases documented in medical literature. We present a case of a 38-year-old male who experienced a rare presentation of recurrent ankle sprains and a palpable mass, ultimately diagnosed with SC in the ankle.
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