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[Neuropathies in small cell lung cancer]
T Nowak-Michalska1, E Joachimowicz, A Siekierzyńska-Czarnecka
1Kliniki Neurologicznej II Wydziału Lekarskiego AM, Warszawie.
Pneumonologia Polska
|November 1, 1990
Summary
Peripheral neuropathy is common in small cell lung cancer patients before chemotherapy. Over half of subjects showed nerve damage, with some cases subclinical, highlighting the need for early neurological assessment.
Area of Science:
- Neurology
- Oncology
Context:
- Small cell lung cancer (SCLC) is a highly aggressive malignancy.
- Neurological complications can affect cancer patients, impacting quality of life.
- Early detection of neurological issues is crucial for management.
Purpose:
- To evaluate the prevalence and characteristics of peripheral nervous system (PNS) injury in SCLC patients before chemotherapy.
- To assess the utility of neurological examination and electromyography (EMG) in detecting subclinical neuropathy.
Summary:
- A study involving 65 SCLC patients before chemotherapy used neurological exams and EMG to assess PNS integrity.
- Neuropathy was suspected in 34% and confirmed by EMG, with 12 patients showing subclinical neuropathy.
- Overall, 52% of patients exhibited PNS injury, including sensory, motor-sensory, and motor neuropathies. One case of Eaton-Lambert syndrome and evidence of anterior horn cell injury were noted.
Impact:
- Findings indicate a high incidence of peripheral neuropathy in SCLC patients, often subclinical.
- Highlights the importance of routine neurological screening and EMG in this population.
- Suggests potential for early intervention to mitigate neurological deficits and improve patient outcomes.