The Effectiveness of Laserpuncture on Chemotherapy-induced Leucopenia in Head and Neck Cancer Patients

Inclusion Criteria: * Male or female patients with head and neck cancer, aged 18-60 years. * Head and neck cancer patients diagnosed through histopathological examination, with cancer stages II to IV. * Head and neck cancer patients undergoing chemotherapy with platinum-based chemotherapy drugs combined with 5-Fluorouracil, in the first treatment cycle. * Leukocyte count greater than 5000/mm³. * Patients who have signed informed consent and are willing to participate in the study until completion. * Normal Mini-Mental State Examination (MMSE) score (27-31). Exclusion Criteria: * Patients with cancer lesions, ulcers, acute dermatitis, or exacerbation of chronic skin diseases at the selected acupuncture points. * Patients with deformities or anatomical abnormalities of the ear. * Patients with fever (body temperature \>38ºC). * Patients with hemodynamic instability (patient vital signs outside the normal limits. Normal vital signs include axillary temperature of 36.5 - 37.5ºC, systolic blood pressure 102 - 131 mmHg, diastolic blood pressure 61 - 83 mmHg, pulse rate 60 - 100 beats/minute. Unstable if respiratory rate is above 25 breaths/minute or SpO2 \< 90%). Patients with a history of allergy to laser irradiation (skin hypersensitivity due to exposure to specific light). \- Patients with a history of uncontrolled seizures or epilepsy.