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Peripheral Nerve Lymphomatosis.

Tun-Lin Foo1, Ryan Yak1, Mark E Puhaindran1

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The Journal of Hand Surgery Asian-Pacific Volume
|February 17, 2017
PubMed
Summary
This summary is machine-generated.

Neurolymphomatosis, a rare lymphoma complication affecting peripheral nerves, presents diagnostic challenges. Early detection via PET-CT scans and intraoperative frozen sections is crucial for timely lymphoma diagnosis and treatment.

Keywords:
NeurolymphomaPET-CTPeripheral nerve tumors

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Area of Science:

  • Neurology
  • Oncology
  • Pathology

Background:

  • Peripheral nerve involvement by lymphoma, known as neurolymphomatosis (NL), is uncommon.
  • NL can mimic other neurological conditions like benign tumors or nerve injury, complicating diagnosis.

Observation:

  • This study analyzed four patients with neurolymphomatosis involving peripheral nerves.
  • Patients underwent surgical exploration for symptoms suggestive of nerve compression or injury.
  • Histological examination revealed diffuse large B-cell lymphoma in three patients and NK/T-cell lymphoma in one.

Findings:

  • Neurolymphomatosis often lacks specific clinical and imaging features.
  • Positron Emission Tomography-Computed Tomography (PET-CT) scans can help identify metabolic activity in affected nerves and systemic disease.
  • Intraoperative frozen section analysis is valuable for detecting characteristic 'round blue cells' indicative of lymphoma.

Implications:

  • A high clinical suspicion for NL is essential, especially in patients with a history of lymphoma.
  • PET-CT imaging serves as a valuable tool for diagnosing NL and assessing systemic spread.
  • Prompt diagnosis through surgical sampling and pathological analysis facilitates appropriate lymphoma treatment.