Lymphomatoid granulomatosis (CNS manifestations)

Lymphomatoid granulomatosis of the central nervous system is uncommon, but represents the second most common site of involvement in patients with systemic lymphomatoid granulomatosis, after the lungs, which are most commonly involved. 

For a general discussion of the underlying condition, including epidemiology and pathology, please refer to the article lymphomatoid granulomatosis

Clinical presentation

Neurologic symptoms are fairly common, seen in around 30% of cases, usually in the setting on systemic or cutaneous symptoms 1

Radiographic features

MRI is the modality of choice for assessing patients with suspected lymphomatoid granulomatosis. 

MRI

Appearances are very variable with lesions seen in all compartments (supra- and infratentorial) and demonstrating a wide range of morphology.

Generally, lesions were located in the periventricular white matter but can extend to involve cortex.

Punctate or linear T2 hyperintensities within perivascular spaces are also characteristic and show contrast enhancement 1,2. Larger lesions may be solid or demonstrate ring enhancement. They have variable surrounding oedema and may be associated with leptomeningeal enhancement 1


Lymphoma
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Article Information

rID: 28873
Section: Pathology
Tags: refs, cases
Synonyms or Alternate Spellings:
  • Lymphoid granulomatosis of the CNS
  • Lymphoid granulomatosis of the central nervous system
  • Lymphoid granulomatosis (CNS manifestations)
  • Lymphomatoid granulomatosis of the CNS
  • Lymphomatoid granulomatosis of the central nervous system

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