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Difficult tracheal intubation in patients with retinoblastoma caused by 13q deficiency

T Saito1, A Kaneko, Y Muramatsu

  • 1Department of Anesthesia, National Cancer Center Hospital, Tokyo, Japan. toshis@nms.ac.jp

Japanese Journal of Clinical Oncology
|October 14, 1998
PubMed

Insights

Anesthetic management for retinoblastoma patients is usually straightforward. However, retinoblastoma with 13q- deletion presents a higher risk of difficult tracheal intubation, potentially due to macroglossia.

Area of Science:

  • Anesthesiology
  • Genetics
  • Ophthalmology

Background:

  • Anesthetic management for retinoblastoma (RBL) patients is typically uncomplicated.
  • Pediatric patients, often infants, usually present with easy laryngoscopic intubation.
  • Recent cases highlight challenges in tracheal intubation for specific RBL subtypes.

Observation:

  • Two RBL patients experienced difficult tracheal intubation.
  • A 5-year review of RBL cases was conducted.
  • Macroglossia was identified as a contributing factor to intubation difficulty.

Findings:

  • RBL patients with a deletion on the long arm of chromosome 13 (13q-) showed a significantly higher incidence of difficult intubation (4/11) compared to those without (0/147).
  • The observed difficulty was associated with macroglossia.
  • This suggests a potential link between 13q- deletion and airway challenges.

Implications:

  • Patients with retinoblastoma and 13q- deletion may represent difficult or impossible intubation scenarios.
  • Pre-operative chromosomal analysis for 13q- deletion is crucial for anesthetic planning.
  • Anesthesiologists should be prepared for potential airway management difficulties in these specific RBL patients.

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