Tag: radiation exposure
Skull Base Chordoma
Skull Base Chordoma: Definition and Description of Skull Base Chordoma: Skull base chordoma is a rare type of bone cancer that occurs at the base of the skull and the spine. These tumors arise from remnants of the notochord, a structure that is present during embryonic development. As chordomas are slow-growing tumors, they may not…
Sacrococcygeal Chordoma
Sacrococcygeal Chordoma: Definition and Description of Sacrococcygeal Chordoma: Sacrococcygeal Chordoma is a rare type of tumor that arises from the remnants of notochordal tissue, which is part of the embryonic development of the spine. Specifically, this chordoma occurs in the sacrum and coccyx, which are the lower parts of the spine. These tumors are typically…
Radiation Sickness
Radiation Sickness: Definition and Description of Radiation Sickness: Radiation sickness, also known as acute radiation syndrome (ARS), occurs when an individual is exposed to a significant dose of ionizing radiation in a short period. This condition primarily affects the cellular and tissue response, leading to a spectrum of symptoms that depend on the radiation dose.…
Positron Emission Tomography (PET)
Positron Emission Tomography (PET): Definition and Description of Positron Emission Tomography (PET): Positron Emission Tomography (PET) is a sophisticated imaging technique that is utilized in the field of nuclear medicine. This non-invasive procedure allows healthcare professionals to observe metabolic processes within the body by detecting gamma rays emitted indirectly through the positron annihilation. The patient…
Arachnoidal Fibroblastoma
Arachnoidal Fibroblastoma Definition and Description of Arachnoidal Fibroblastoma Arachnoidal fibroblastoma is a rare type of tumor that occurs in the arachnoid membrane, one of the three membranes that envelop the brain and spinal cord. This tumor is characterized by the proliferation of fibroblasts within the arachnoid layer, leading to the formation of a localized mass.…