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Worm-like appearance of Listeria monocytogenes brain abscess: presentation of three cases

Ondřej Slezák1,2, Jan Žižka3, Tomáš Kvasnička1,2

  • 1Department of Radiology, Faculty of Medicine in Hradec Kralove, Charles University in Prague, 50005, Hradec Kralove, Czech Republic.

Neuroradiology
|May 15, 2020
PubMed

Insights

Brain abscesses caused by Listeria monocytogenes (LM) are rare but serious. Characteristic "worm-like" imaging patterns aid in early diagnosis, improving patient outcomes.

Area of Science:

  • Neurology
  • Infectious Diseases
  • Radiology

Background:

  • Brain abscesses are uncommon but life-threatening infections.
  • Listeria monocytogenes (LM) is a rare cause of brain abscesses.
  • Timely diagnosis and treatment are critical for reducing mortality.

Observation:

  • This study presents three cases of LM brain abscesses.
  • Characteristic radiological appearances were observed.
  • A distinctive "worm-like" tubular pattern was noted.

Findings:

  • LM abscesses often appear as irregular formations.
  • The "worm-like" pattern involves chaotic curvilinear arrangements.
  • This specific imaging pattern is highly suggestive of LM.

Implications:

  • Recognizing this unique imaging pattern can facilitate early diagnosis.
  • Early diagnosis of LM brain abscesses can improve patient prognosis.
  • This knowledge aids in differentiating LM from other brain lesions.
Keywords:
(Brain) abscessListeria monocytogenesMRIRhombencephalitisTunnel-signWorm-like appearance

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