Accuracy Rate of Methylene Blue Injection in Sentinel Lymph Node Biopsy in Early-Stage Breast Cancer Patients: A Prospective Observational Study.

Objective: Breast cancer is the most prevalent cancer in women and can spread to the lymph nodes in the axilla. The sentinel lymph node is the first lymph node to be targeted for the spread or metastasis of cancer cells involving the lymph nodes. The aim of this study is to compare the accuracy rate of methylene blue injection into sentinel lymph nodes in early-stage breast cancer patients who have undergone incisional and excisional biopsies.

Validation of Immune Status Questionnaire (ISQ) in Indonesian Bahasa Language as simple assessment of perceived immune status.

Objective: This study aimed to determine whether the ISQ can be used to assess immune status in daily clinical practice in Indonesia by translating the questionnaire into Bahasa and analyzing its validity and reliability.

Methods: The ISQ was translated both forward and backward by a professional translator fluent in both English and Bahasa. In this study, a cross-sectional study design was used, and Pearson's correlation test and Cronbach's Alpha calculation were used to perform the validity and reliability test.