Primary central nervous system lymphoma other diagnostic studies
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Primary central nervous system lymphoma Microchapters |
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Differentiating Primary Central Nervous System Lymphoma from other Diseases |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Sujit Routray, M.D. [2]
Overview
Other diagnostic studies for primary central nervous system lymphoma include magnetic resonance spectroscopy, magnetic resonance perfusion, scintigraphy, stereotactic biopsy, and polymerase chain reaction.[1][2][3][4]
Other Diagnostics Studies
Magnetic Resonance Spectroscopy
- Magnetic resonance spectroscopy may be diagnostic of primary central nervous system lymphoma. Findings on MR spectroscopy suggestive of primary central nervous system lymphoma include:[1]
- Large choline peak
- Reversed choline/creatinine ratio
- Markedly decreased N-Acetylaspartate (NAA)
- Lactate peak may also be observed
Magnetic Resonance Perfusion
- Magnetic resonance perfusion may be diagnostic of primary central nervous system lymphoma. Findings on MR perfusion suggestive of primary central nervous system lymphoma include a modest increase in relative cerebral blood flow (rCBV), much less marked than in high-grade gliomas, where angiogenesis is a prominent feature.[1]
Scintigraphy
- Findings on scintigraphy suggestive of primary central nervous system lymphoma include:[1]
- Thallium 201: increased uptake
- C11 Methionine PET: increased uptake
Biopsy
- Stereotactic biopsy is usually performed to confirm a diagnosis of primary central nervous system lymphoma, especially in people who do not have AIDS.[2]
Bone Marrow Biopsy
- Bone marrow biopsy may be performed to detect metastases of primary central nervous system lymphoma to the bones.[3]
Polymerase Chain Reaction
Polymerase chain reaction (PCR) of the cerebrospinal fluid (CSF) may be performed to look for positive Epstein-Barr virus DNA in patients with primary central nervous system lymphoma, to establish the association with the virus.[4]
References
- ↑ 1.0 1.1 1.2 1.3 Radiographic features of primary CNS lymphoma. Dr Amir Rezaee and A.Prof Frank Gaillard et al. Radiopaedia 2016. http://radiopaedia.org/articles/primary-cns-lymphoma. Accessed on February 18, 2016
- ↑ 2.0 2.1 Diagnosis of primary central nervous system lymphoma. Canadian cancer society 2016. http://www.cancer.ca/en/cancer-information/cancer-type/non-hodgkin-lymphoma/non-hodgkin-lymphoma/types-of-nhl/primary-cns-lymphoma/?region=on. Accessed on February 18, 2016
- ↑ 3.0 3.1 Diagnostics of primary CNS lymphoma. National cancer institute 2016. http://www.cancer.gov/types/lymphoma/hp/primary-cns-lymphoma-treatment-pdq. Accessed on February 19, 2016
- ↑ 4.0 4.1 Haldorsen, Ingfrid S; Kråkenes, Jostein; Goplen, Anne K; Dunlop, Oona; Mella, Olav; Espeland, Ansgar (2008). "AIDS-related primary central nervous system lymphoma: a Norwegian national survey 1989–2003". BMC Cancer. 8 (1): 225. doi:10.1186/1471-2407-8-225. ISSN 1471-2407.