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The procedure is common in the treatment of Stage I and II non-seminomatous germ cell tumors. [2] In seminomas, another form of testicular cancer, radiation therapy is generally preferred to the invasive RPLND procedure. [4] Whether RPLND is needed after orchiectomy depends on the type of tumor and its stage. RPLND may be performed to remove ...
The form of salt is not important, since it is the freely dissolved gallium ion Ga 3+ which is active. [1] Both 67 Ga and 68 Ga salts have similar uptake mechanisms. [ 2 ] Radioactive gallium(III) is rapidly bound by transferrin, wich then preferentially accumulates in tumors, inflammation, and both acute and chronic infection, [ 3 ] [ 4 ...
Retroperitoneal fibrosis; Retroperitoneal lymph node dissection; It is also possible to have a neoplasm in this area, more commonly a metastasis; or very rarely a primary neoplasm. The most common type is a sarcoma followed by lymphoma, extragonadal germ cell tumor, and gastrointestinal stromal tumor/GIST. [9] Examples of tumors include:
The term "induction regimen" refers to a chemotherapy regimen used for the initial treatment of a disease. A "maintenance regimen" refers to the ongoing use of chemotherapy to reduce the chances of a cancer recurring or to prevent an existing cancer from continuing to grow. [2]
For these localized forms of DDL, perioperative radiotherapy following National Comprehensive Cancer Network guidelines may also be considered. [8] Retroperitoneal DDL is the most common, surgically unaccessible and serious form of DDL: it has a recurrence rate of 66% and a five-year overall survival rate of 54%. [31]
Patients in response categories 4-9 should be considered as failing to respond to treatment (disease progression). Thus, an incorrect treatment schedule or drug administration does not result in exclusion from the analysis of the response rate. Precise definitions for categories 4-9 will be protocol specific.
The retroperitoneum or retroperitnium is an anatomical region that includes the peritoneum-covered organs and tissues that make up the posterior wall of the abdominal cavity and the pelvic space - which extends behind to the abdominal cavity.
It is always a pathological condition and can be caused by a perforation of a retroperitoneal hollow organ such as the duodenum, colon or rectum. Pneumoretroperitoneum can best be identified by CT scan. [citation needed]