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Ocular cysticercosis with intermittent blindness.

Rajaram Sharma1, Amit Kumar Dey2, Kapil Joshi1

  • 1Radiology; Seth GS Medical College and KEM Hospital, Acharya Donde Marg, Parel, Mumbai 400 012, India.

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Summary

This case study details ocular cysticercosis, a rare eye infection causing intermittent blindness. Ultrasound proved crucial for diagnosing this posterior segment condition in a patient presenting with both cystic and calcified stages of the parasite.

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Area of Science:

  • Ophthalmology
  • Infectious Diseases
  • Medical Imaging

Background:

  • Ocular cysticercosis is a parasitic infection of the eye caused by the larval stage of the tapeworm Taenia solium.
  • It can affect various parts of the eye, including the posterior segment, leading to vision impairment.
  • Intermittent blindness is an unusual presentation of ocular cysticercosis.

Observation:

  • A peculiar case of ocular cysticercosis presenting with intermittent blindness, a presentation not previously documented in medical literature.
  • The patient exhibited both cystic and calcified stages of the infection within the posterior segment of the eye globe.

Findings:

  • Ultrasound (US) examination was instrumental in diagnosing posterior segment ocular cysticercosis.
  • US demonstrated both cystic and calcified lesions, indicative of different stages of parasitic progression.

Implications:

  • This case underscores the utility of ultrasound as a primary diagnostic tool for posterior segment eye conditions in areas with limited medical facilities.
  • Ophthalmologists should consider cysticercosis in the differential diagnosis of cystic or calcified masses in the eye, particularly in endemic regions and in younger populations.