Doctor insights on:
What The Difference Between Schwannoma And Meningioma
They are diff.tumors: Schwannoma - a neoplasm originating from schwann cells (of the myelin sheath) of peripheral or sympathetic neurons, or from various cranial nerves, particularly the eighth cranial nerve; schwannomas include neurofibromas and neurilemomas. A meningioma is a tumor that arises from the meninges — the membranes that surround your brain. ...Read moreSee 2 more doctor answers
"Apples and Oranges": A lipoma is a benign fatty tumor that is most commonly found just under the skin anywhere on the body. They may occasionally cause discomfort but are most often removed for cosmetic reasons. A phyllodes tumor is a type of breast tumor that resembles a fibroadenoma; though benign, it can be locally aggressive; therefore, it is best treated by wide excision w/clear margins. ...Read moreSee 2 more doctor answers
GBM is agressive: Glioblastoma is a malignant tumor of the brain. It often invasive and agressive form of brain tumor whereas glioma is often a benign primary brain tumor. Glioblastoma has the tedency to spread locally or to other part of the brain. Treatment of glioblastoma includes combination of surgery, radiatoin with or without chemotherapy. Gliomas usually do not spread and are treated by resection alone. ...Read moreSee 1 more doctor answer
Many differences: They are both cancers and may both be derived from primitive neural tissue. Otherwise they can be easily distinguished by a pathologist using a series of special stains. These tests distinguish different cell types. Also these tumors display different genetic abnormalities. Bottom line, these tumors ate derived from very different cells. These tumors are also treated very differently. ...Read moreSee 1 more doctor answer
Benign vs cancer: Osteochondromas are the most common form of non-cancerous bone tumors, usually look like they are growing on the bone surface, and do not spread beyond the affected bone. Osteogenic sarcomas are aggressive cancerous bone tumors that typically cause destruction of the involved bone as well as producing new bone in a haphazard fashion. ...Read more
Non cancer & cancer: Benign tumors are not cancerous. They grow slowly and don't invade neighboring tissue. They do not spread to other parts of the body, and they can often be removed through surgery. •malignant tumors (also called carcinomas, sarcomas, or lymphomas, depending on the tissue where they originate) are cancers that invade surrounding tissue. A malignant tumor, if untreated, will eventually spread. ...Read more
How they act: Malignant tumors can grow locally and destroy other tissues but can also spread distantly. Benign tumors can grow locally and can cause symptoms if they enlarge but do not spread to distant organs. Hope this helps. ...Read more
Pineal cyst or tumor: Pineal cyst is a non-neoplastic glial cyst within the pineal gland. Pineal tumor is usually neoplastic, benign or malignant. ...Read more
Same term: I believe they mean the same thing. That tissue adjacent to one that is being evaluated is the same density/color as the tissue being evaluated. ...Read more
Brain membranes: There are 3 layers of coverings on the brain & spinal cord. The outermost is the dura mater; middle one is called "arachnoid, " and the innermost (lying directly on the brain & spinal cord) is the pia mater. "subarachnoid" means in the space beneath the arachnoid membrane, yet above the pia mater. There can be bleeding in the subarachnoid space, due to damaged blood vessels or aneurysms. ...Read more
Overall course.: There are many differences between benign and malignant tumors. A benign tumor is often well differentiated, looks almost normal, and does not spread. A malignant lesion is usually poorly differentiated, ominous looking, and spreads to other sites by blood, lymphatics, and directly. It has a very bad course, and results many times in death unless aggressive treatment is done. ...Read more
Extent of herniation: It is the downward displacement of the cerebellum, specifically a region called the "tonsils", through the foramen magnum. There are actually 4 types. Type one is only tonsillar herniation, that is mild; type ii shows more herniation, to include a middle portion of the cerebellum. This type is often associated with an myelomeningocele (herniation of lining of the brain). ...Read moreSee 1 more doctor answer
Any growth is tumor: A cyst is one type of tumor which, by definition is a fluid filled structure. This is different than a solid growth which is more often cancerous. But most ovarian cancers are cystic. So you should seek advice from your gynecologist and make sure this cyst is not cancerous(size matters in this regard....Benign cysts are small...2-4 cm in size...Bigger ones are more likely to be cancerous). ...Read more
Different cancers: Sarcomas are very rare cancers that arise from bone, muscle, nerves, blood vessels or other connective tissues. Carcinomas are very common cancers that tend form glands. Most common examples are breast cancer, lung cancer, colon cancer, prostate cancer and renal (kidney) cancer, among others. ...Read moreSee 1 more doctor answer
Different origin: Hepatic adenoma is an uncommon benign liver tumor that is hormone induced most resulting from oral contraceptive use. . These tumours are usually solitary, arise from the hepatocytes, can convert to malignancy and have a tendency to hemorrhage. When multiple the condition is known as hepatic adenomatosis .Hemangiomas of liver are purely vascular lesions derived from hepatic blood supply ...Read more
Benign disease: The hepatic adenoma is estrogen sensitive and can grow substantially; the hemangioma is a collection of blood vessels which can proliferate under hormonal influence, estrogen, again. Hepatic ct or ultrasound is recommended to assess for growth or remission. Most times, neither cause significant clinical problems. One would have to stop ocs, though. ...Read moreSee 1 more doctor answer
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