Items tagged “rg_39_2_edit”
29 results found
Article
Radiation-induced sarcoma
Radiation-induced sarcoma (RIS) can originate in either the irradiated bone or soft tissues after a period of latency. They are usually high-grade tumors with a poor prognosis when compared with primary sarcomas. Undifferentiated pleomorphic sarcoma and osteosarcoma are the two most common histo...
Article
Radiation-induced rib fracture
Radiation-induced rib fractures refer to the occurrence of rib fractures following administration of radiotherapy to the region close to a rib or within a path of a rib. They are considered pathological fractures, as they happen in underlying abnormal bone affected by radiation therapy. Please n...
Article
Stereotactic body radiotherapy (SBRT)
Stereotactic body radiotherapy (SBRT), also known as stereotactic ablative radiotherapy (SABR), is a technique used to treat certain cancers as an alternative to surgical resection. It can be used to treat early lung cancer and hepatocellular carcinoma.
Article
Radiation-induced lung cancer
Radiation-induced lung cancers are a potential long-term complication of radiotherapy to the chest.
Besides lung cancer, sarcomas (osteosarcomas are the most common arising from the irradiated bones, and malignant fibrous histiocytomas the most frequently arising from the soft tissues), breast...
Article
Malignant melanotic nerve sheath tumor
Malignant melanotic nerve sheath tumors (previously known as melanotic schwannomas) are uncommon aggressive tumors commonly associated with PRKAR1A mutations and Carney complex.
Terminology
Initially, these tumors were believed to be variants of schwannomas and were thus named melanotic schwa...
Article
Radiation-induced heart disease
Radiation-induced heart disease, also known as radiation cardiotoxicity, describes an uncommon constellation of potential cardiac complications of thoracic radiotherapy.
Epidemiology
The demographics of patients affected by radiation-induced heart disease are those of the underlying condition ...
Article
Gallbladder metastases
Gallbladder metastases are rare and usually represent an advanced and end-stage of malignancy. Malignant melanoma and gastric carcinoma account for the most common primary malignancies to seed metastases to the gallbladder, in Western and Asian societies, respectively.
Epidemiology
They repre...
Article
Intradural extramedullary spinal tumors (mnemonic)
Useful mnemonics to remember the differential diagnoses for intradural extramedullary spinal neoplasms include the following:
No More Spinal Masses
MNM
Mnemonics
No More Spinal Masses
N: neurofibroma
M: meningioma
S: schwannoma
M: metastasis
MnM
This simplified mnemonic, as in M&M cand...
Article
Transanal endoscopic microsurgery
Transanal endoscopic microsurgery is a technique for resection of some focal T1 stage rectal cancers.
Features of a rectal cancer that may make it a candidate for this approach
well- or moderately-differentiated tumors that are T1 N0 M0 (confined to submucosa without spread)
<3 cm
within 8 c...
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