Proton MRS similarity between central nervous system non-Hodgkin lymphoma and intracranial tuberculoma.

Proton magnetic resonance spectroscopy (MRS) was carried out on a patient with histologically proven non-Hodgkin lymphoma (NHL) of the central nervous system (CNS). The observation of the presence of a huge resonance in the region between 0.5-1.5 ppm and the absence of any other signals is not in agreement with those published for NHL in the literature but has a striking similarity to that reported for an intracranial tuberculoma.