نتایج جستجو برای: pituitary metastasis
تعداد نتایج: 173964 فیلتر نتایج به سال:
Though pituitary adenomas are benign tumors in most cases, a considerable fraction of PAs behave in a malignantlike manner and invade to the adjacent structures in sellar region, especially the cavernous sinuses. Cancer-cell invasion and metastasis remain a great challenge for physicians and surgeons in spite of emerging advances in drug therapy and surgical Treatment. matrix metalloproteinases...
PURPOSE Receptor 7 (CXCR7) has recently been characterized as a novel receptor for CXCL12/SDF-1 (stromal cell derived factor-1). Given the demonstrated importance of CXCL12/SDF-1 in angiogenesis and tumour metastasis, we hypothesized that CXCR7 may also play a role in tumour pathogenesis. Located in the limited space of the intracranial cavity, any brain tumours can be inherently serious and li...
Here we present the case of a 60-year-old woman with a rare sellar region atypical teratoid/rhabdoid tumor (AT/RT), complicated by lung metastasis and treated with neurosurgery, radiotherapy, and chemotherapy. The patient had recurrent headache associated with left cavernous sinus syndrome after a previous endonasal transsphenoidal resection for a presumptive pituitary macroadenoma. Pituitary m...
INTRODUCTION The pituitary gland is an uncommon site for metastases, in particular from rhabdomyosarcoma. Some authors have reported a recent increase in the incidence of metastases at infrequent sites, such as brain or bone, probably due to the expanded treatment options and the resulting improved survival. Treatment options are limited, but must be discussed and adapted to the patient profile...
Background: Pituitary carcinoma is very rare and hard to diagnose. However, some atypical pituitary adenomas present with a high rate of proliferation and extensive invasion, suggesting a tumor with a high degree of malignancy. Case presentation: Here, we present a case study of this type of tumor. A 46 years old women was admitted for headaches and impaired vision, and MRI and CT revealed a se...
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