Intranodal palisaded myofibroblastoma (IPM) is a kind of mesenchymal tumor with benign behaviour. The origin this differentiated smooth muscle cells and myofibroblasts. This rare entity differential diagnosis from malignant tumors important for clinicians pathologists. etiology has not been explained adequately. Age range between 2nd 8th decades the life it seen more frequently in males. Inguin...

Primary extranodal lymphoma is a common malignant tumor of head and neck but rarely presents in lateral skull base. We reported such a case of lymphoma categorized as diffuse large B-cell lymphoma (DLBCL) subtype in a 74-year-old Chinese female. She has experienced an acute course of continuously trigeminal neuralgia and Horner's syndrome. The lesion was diagnosed as trigeminal schwannoma based...

A case of malignant schwannoma of the sciatic nerve is described associated with hepatic dysfunction in the absence of hepatic metastases. An elevated serum alkaline phosphatase activity was present with an isoenzyme pattern indicating hepatic involvement. These abnormalities disappeared after extirpation of the tumour. The patient is well, with no evidence of metastases, over two years later. ...

TYPE: Case Report TOPIC: Lung Pathology INTRODUCTION: masses may pose a difficult differential diagnosis. The malignant etiology is the most feared. CASE PRESENTATION: 1: 51-y-old female, complainig of persistent cough with several months evolution, which led to performance chest x-ray that revealed an opacity in right upper lobe (RUL). Chest computed tomography (CT) showed round and homogeneou...

A dumb-bell mediastinal melanotic schwannoma is described, and the rarity of this type of tumour emphasised. The tumour was resected by simultaneous laminectomy and posterior thoracotomy. The patient is well four years after operation. The pathology of the tumour is described and the origin of melanotic cells is discussed.

INTRODUCTION Schwannomas are neoplasms originating from Schwann cells in nerve sheath, but pancreatic schwannomas are rare. PRESENTATION OF CASE A 59-year-old female incidentally pointed out a 2-cm-sized solid mass in the pancreas head by computed tomography (CT) which was performed for other reasons. Magnetic resonance imaging (MRI) showed a mass with hypointensity on T1-weighted images and ...

  Tongue base lesions have a diverse and extensive etiology. One of the benign tongue base lesions is schwannoma. Schwannoma and neurofibroma are two tumors of the peripheral nerves originating in the nerve sheaths. Schwannoma account for just over 1% of benign tumors which have been reported in the ora...