Granulocytic sarcoma (GS), also known as extramedullary myeloblastoma or chloroma is an unusual manifestation and represent soft tissue masses composed of immature cells of the granulocytic series.
Methods X-ray and CT findings of one patient with surgically and pathologically proved benign cementoblastoma(BCB)in left mandibular region were analyzed together with review of the literature.
Primary mediastinal germ-cell tumors (GCTs) without gonadal involvement are rare and can be divided into benign mature teratoma and malignant seminoma or nonseminoma.
Conclusion PEA, a rarely seen disease,is hard to differentiate from synovioma, fibrosarcoma or giant cell tumors, whose diagnosis depends on pathological examination.
ObjectiveTo discuss the CT manifestation and clinical significance of rare neoplasm in maxillary sinus, includingmalignant myoepithelioma, angioendothelioma, sarcoma of plasmacyte.
" The bad news is we found what appears to be a glioma in your brain." The doctor pauses for a moment, and Eric looks at him unaware of what this means.
So, we took him to our pedestrian and within an hour, there was an ambulance at the doctor's office, sending us to Albany Medical Center where right away, they determined that he did have stage 4 neuroblastoma.
Regular use of brain sensors could even enable us to detect the earliest stages of the most aggressive forms of brain tumors, like glioblastoma, where early detection is crucial to saving lives.
An undifferentiated neuroblastoma is mostly comprised of neural crest cells, which are sometimes called small round blue cells, due to a lack of cytoplasm, and a large blue nuclei.
And when tumor suppressor genes, like the genes that encode proteins p53, p16, and the retinoblastoma protein, also called pRb, are inactivated, it removes the inhibition to cell division.
And while astrocytomas can be graded I through IV, juvenile pilocytic astrocytomas are only grade I because they are generally benign and slow-growing.
Now, regardless of type, Kaposi's sarcoma is an endothelial cell neoplasm, so it causes vascular proliferation, resulting in dark or violaceous plaques.
For example, as pinealomas, medulloblastomas, and ependymomas enlarge - the mass of the tumor can compress nearby ventricles blocking the flow of cerebrospinal fluid which causes swelling, called hydrocephalus.
There are three types of neuroblastomas, and they're categorized based on the size and shape of the tumor cells: undifferentiated, poorly differentiated, and differentiating neuroblastoma.