Meningiomas are the most common type of benign brain tumor and the incidence of meningioma in women is more than two-fold higher than in men. Several studies have demonstrated that hormones were somehow related to ...
Tumor:A tumor is an abnormal and solid mass of tissue that occurs due to the cells that divide and grow more in number. The tumors can affect any tissue, skin, bones, organs, or glands. The tumors can be malignant (cancerous) or benign (non-cancerous).Answer and Explanation: ...
These results suggest that survivin overexpression may be an early event in the stepwise tumoregenesis and hence could be responsible for the onset as well as the growth advantage during tumoregenic progression of malignant as well as benign neoplasms....
Lesions can be noncancerous (benign) or cancerous (malignant), but not all lesions are tumors. For example, a strokecan cause a brain lesion, which is not a tumor. Tumors:These can be either benign (noncancerous) or malignant (cancerous). Tumors can grow and press on other parts of ...
Sphenoid ridge was the third location affected by either benign or malignant tumors. Several literatures noted convexity and parasagittal regions [18,29] as the most common locations affected by atypical/malignant meningiomas. Rockhill et al.‘s study also showed this pattern in benign meningiomas. ...
Gynecol Oncol 115: 325–328 Nasr MR, El-Zammar O (2008) Comparison to pHH3, Ki-67, and survivin immunoreactivity in benign and malignant melanocytic lesions. Am J Dermatopathol 30: 117–122 Nucci MR, Oliva E (2009) Endometrial Neoplasia. In: Matias-Guiu X (ed). Gynecologic Pathology....
The glial cells of the primary olfactory nervous system, olfactory ensheathing cells (OECs), are unusual in that they rarely form tumors. Only 11 cases, all of which were benign, have been reported to date. In fact, the existence of OEC tumors has been debated as the tumors closely resembl...
Tumor recurrence is the major clinical complication in meningiomas, and its prediction in histologically benign/grade I tumors remains a challenge. In this study, we analyzed the prognostic value of specific chromosomal abnormalities and the genetic heterogeneity of the tumor, together with other clinico...
A modified protein in benign-appearing meningiomas can reveal which are truly benign and which are more dangerous and require more aggressive treatment, researchers have discovered.
Meningiomas are mostly benign tumours originating from the arachnoid cap cells, represent 13-26% of all intracranial tumours. They are more common in older age and in females. Deletion in NF2 gene and exposure to ionizing radiation are established risk factors, while the role of sex hormones is...