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Bilateral Nonsynchronous Pacinian Corpuscle Neuroma.

Isidro Jiménez1, Alberto Marcos-García1, Gustavo Muratore1

  • 1Unit of Hand and Upper Extremity Surgery, Department of Orthopaedic Surgery and Traumatology, Hospital Universitario Insular de Gran Canaria, Las Palmas de Gran Canaria, Las Palmas, Spain.

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Summary

Neuromas of Pacinian corpuscles, rare and painful nerve tumors, can affect the fingers. This case highlights their misdiagnosis and surgical treatment in a patient with recurrent digital nerve pain.

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Area of Science:

  • Neurology
  • Dermatology
  • Pathology

Background:

  • Pacinian corpuscles are specialized nerve endings in the skin responsible for detecting touch and vibration.
  • Neuromas, or tumors of nerve tissue, can develop from these corpuscles, though rarely.

Observation:

  • A 71-year-old man presented with recurrent, severe pain and swelling in his index fingers.
  • Initial diagnosis of tenosynovitis resistant to conservative treatment led to surgical exploration.
  • Intraoperative findings revealed spherical, gray lesions adjacent to the digital nerve.

Findings:

  • Pathological examination confirmed the lesions as neuromas of the Pacinian corpuscles.
  • The patient experienced bilateral symptoms, with both index fingers affected sequentially.

Implications:

  • This case underscores the rarity of Pacinian corpuscle neuromas and the potential for misdiagnosis.
  • Surgical excision appears to be an effective treatment for symptomatic Pacinian corpuscle neuromas.
  • Increased awareness among clinicians may improve diagnostic accuracy for this painful condition.