Two Cases of Ewing’s Sarcoma Arising in the Ethmoid Sinus
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چکیده
منابع مشابه
A Primary Ossifying Intracranial Myxoma Arising from the Ethmoid Sinus.
Myxomas are rare benign tumors that originate from mesenchymal tissue. They usually develop in the atrium of the heart, the skin, subcutaneous tissue, or bone. Involvement of the skull base with an intracranial extension is very rare and not well-described in the literature. We report a rare case of primary intracranial ossifying myxoma arising from the anterior skull base and mimicking a huge ...
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Ectopic eruption of teeth occurs in a variety of locations. Commonly seen in palate and maxillary sinus, they have also been reported in nasal cavity, orbit, mandibular condyle, coronoid process, and facial skin.Here, we report a rare case of recurrent sinusitis caused by ectopic tooth in right ethmoid sinus and successful endoscopic removal of it. The symptoms of the patient disappeared after ...
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Ewing's / peripheral primitive neuroectodermal tumor (pPNET) of the cavernous sinus are extremely uncommon. We present clinical, radiological, pathological findings of Ewing's / pPNET involving the cavernous sinus in an eleven-month-old infant presenting with proptosis and 6th nerve palsy. MRI Contrast scans showed a well-defined, homogenously enhancing mass involving the right ...
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Epitheloid osteosarcoma (carcinosarcoma) of the bone is a rare malignant tumor and only a few cases have been reported in the literature. In this study, we report two cases of osseous carcinosarcoma (epitheloid osteosarcoma) with immunohistochemical studies. The morphological and immunohistochemical data in these two cases support the theory of divergent differentiation of primitive, uncommitt...
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ژورنال
عنوان ژورنال: Journal of Clinical Otolaryngology Head and Neck Surgery
سال: 2020
ISSN: 1225-0244,2713-833X
DOI: 10.35420/jcohns.2020.31.2.212