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seath nerve tumors

Laura Evelyn Mora-Ríos, Dolores Ríos Y Valles-Valles, José Javier Flores-Estrada, Abelardo Antonio Rodríguez-Reyes
BACKGROUND: Infraorbital schwannoma is a benign tumor of the peripheral nerve seath composed of Schwann cells. Usually occurs between 20 and 70 years of age, are usually asymptomatic and can cause progressive, painless proptosis during growth. CLINICAL CASE: A 32-year-old male admitted to ophthalmologic hospital with a painless, slowly progressive mass above the left lacrimal sac. At the ophthalmologic examination the tumor had a rubbery consistency and was firmly attached to the surrounding structures...
January 2014: Cirugia y Cirujanos
Ignacio Rodríguez-Uña, Juan A Troyano-Rivas, Cristina González-García, Reinaldo Chícharo-de-Freitas, Juan J Ortiz-Zapata, Luis Ortega-Medina, Nicolás Toledano-Fernández, Julián García-Feijoo
A 66-year-old woman with breast cancer presented with a painless mass in the left orbit. MRI revealed a well-defined intraconal mass in the temporal quadrant of the orbit. Fifteen months later, a further MRI indicated the mass had grown, displacing the left optic nerve and making contact with the lateral rectus muscle, suggesting its possible intramuscular origin. Despite the clinical and radiological characteristics of the lesion and its slow growth, a PET/CT study was developed because of the history of malignant disease...
July 2015: Seminars in Ophthalmology
Anand Rai Bansal, Mahavir Singh Griwan, Yayathi Rajan Karthikeyan, Santosh Kumar Singh
Malignant peripheral nerve-sheath tumor (MPNST) is a high-grade malignant tumor of ecto-mesenchymal origin comprising approximately 10% of soft-tissue sarcomas. They tend to occur associated with neurofibromatosis or sporadically. Here we report a MPNST at an extremely rare location and behavior causing disappearance of the entire kidney. Patient evaluation included clinical, biochemical and radiological studies before treatment. Histological study revealed the rare diagnosis. Patient was asymptomatic at six-month follow-up after treatment...
July 1, 2013: Nephro-urology Monthly
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