The authors on “Solitary Extramedullary Plasmacytoma of the Bladder” have provided a quick and accurate diagnosis, work-up, and treatment of this solitary extramedullary plasmacytoma. Solitary extramedullary plamacytomas are rare, and account for only 3% of all plasma cell malignancies. Of the 3% of plasma cell malignancies that are diagnosed, the bladder is one of the least common locations. T...

Uterine perivascular epithelioid cell tumor is a rare mesenchymal consisting of histologically and immunohistochemically distinctive cells. These tumors’ being rare, having different morphological features similar immunohistochemical expression findings to that some tumors lead diagnostic difficulties misdiagnoses. In the present case report, we aimed discuss traps fell into while diagnosing cu...

metastatic tumors account for 1% of all oral malignancies. metastasis to jaw bones is common, particularly in the mandible, rare in the oral soft tissues, and account for only 0.1% of oral malignancies. the majority of metastatic cases (70%) reported in the literature have primary tumors located in the lung, breast, kidney, and colon. metastasis is a biological complex process that involves det...

Introduction: Pleomorphic adenomas are tumors mostly originating from salivary glands. These lesions in the larynx are very rare. Case Report: We report a rare case of pleomorphic adenoma that originated from the mucosal lining, just above the glottic area at the level of the laryngeal ventricle in a 55-year-old female patient. The tumor could not be palpated easily but was observed in the C...

  Schwannoma(neurilemmoma) is a benign tumor originates from Schwann cells. Ancient (degenerated) schwannoma is a long-standing schwannoma with degenerative changes. Head and neck region is one of the most common sites for nerve sheath tumors but intraosseous schwannoma is rare. The mandible is the most common site of occurrence for this lesion. We report a rare case of intraosseous ancient sc...

meningiomas are rare tumors of posterior fossa. delayed intracranial hemorrhage is a rare complication of surgeries in this territory. herein, we report a case of status epilepticus as a result of delayed motor cortex hemorrhage, complicating resection of a meningioma arising from foramen magnum.

Introduction: Retropharyngeal space schwannomas are rare entities. About 20-45% of schwannomas occur in the head and neck region; however, they represent less than 1% of all head and neck tumors.  Case Report: We present the case of a 36-year-old woman complaining of dysphagia caused by a large schwannoma arising in the posterior pharyngeal wall with remarkable reduction of the oropharyngeal sp...

Introduction: Oral verrucous carcinoma (OVC) is a rare malignancy of the oral cavity that was first described by Ackerman. This tumor is a well-differentiated low-grade, slow growing cancer that is locally invasive without metastasis. Ameloblastoma is one of the most common odontogenic tumors, which originates from the odontogenic epithelium. Verrucous carcinoma along with central ambloblastoma...

Chordomas are rare tumors from primitive notochord. They are usually located at sacrococcygeal region when it affects the spine. We present a case of giant chordoma in the thoracolumbar spine in Peru. A 43-year-old woman came to the hospital in Huanuco due to back pain and sensorymotor alterations in the lower limbs. Imaging confirmed an unresectable tumor involving the spine. Two years later, ...

Meningioma is considered as a benign central nervous system tumor that accounts for approximately 18% of all brain tumors. About 5% of meningioma tumors are malignant and have more aggressive clinical signs and worse prognosis compared to benign tumors. Extracranial metastasis of meningioma is rare but in the case of occurrence, it is more prevalent in lung, liver and lymph nodes. Osseous metas...