A French case of porocephalosis diagnosed by radiologists

François Lersy1, Thibault Willaume2

  • 1Department of neuroradiology, University hospitals of Strasbourg, Strasbourg, France. francois.lersy@hotmail.fr.

Insights

Porocephalosis, a rare human infection by Armillifer, is often seen in Africa. This case highlights the importance of considering this parasitic infection in patients with calcifications, especially those with travel history to endemic regions.

Area of Science:

  • Parasitology
  • Infectious Diseases
  • Medical Imaging

Background:

  • Porocephalosis is a rare human parasitic infection caused by Armillifer species.
  • Cases are predominantly reported from African communities, with limited data from European and North American populations.
  • Transmission occurs through consumption of undercooked meat from infected intermediate hosts, such as snakes.

Observation:

  • A 31-year-old male, originally from the Democratic Republic of the Congo and residing in France, presented with lower back and mild abdominal pain.
  • Abdominal imaging revealed multiple comma-shaped calcifications in the liver and peritoneal cavity.
  • The patient reported a history of consuming undercooked snake meat during travels in Africa.

Findings:

  • The clinical presentation and imaging findings, coupled with the patient's dietary history, led to the diagnosis of porocephalosis.
  • This case illustrates a rare presentation of porocephalosis in a non-endemic setting (France).
  • The characteristic comma-shaped calcifications on imaging are a key diagnostic clue.

Implications:

  • Porocephalosis should be considered in the differential diagnosis of patients presenting with unexplained calcifications, particularly those with a history of travel to or residence in endemic areas, especially in Africa.
  • Increased international travel may lead to a rise in the global incidence of porocephalosis.
  • Clinicians should be aware of this zoonotic infection and its potential presentation in diverse geographical settings.