The relationship between outdoor activities and the stage of skin squamous cell carcinoma in the head neck region in patients at Dr. Soetomo General hospital Surabaya in 2020-2022

Background: Skin Squamous cell carcinoma of the head and neck region is a multilayered squamous epithelial malignancy that has the ability to damage surrounding tissues and is located on the skin area of the face and neck. Skin cancer due to UV exposure obtained through outdoor activities is considered a health problem but is still neglected. Aim: To determine the relationship between outdoor activities and the degree of malignancy skin squamous cell carcinoma of the head and neck region in patients at DR. Soetomo General Hospital Surabaya in 2020-2022. Methods: Cross-sectional analytic study with data taken retrospectively. Samples were taken from medical records of patients with skin squamous cell carcinoma of the head and neck region in 2020-2022. Results: There were 40 research subjects, the most subjects were 67.50% male. Most subjects were aged 56-65 and > 65 years. Most subject 22.50% of the eye and cheek area. Most subjects 92.50% have no family history. History of HPV/HIV infection 10%. Most subjects 70% in degree I and degree III have a type of work or activity outdoors, 83.3%. Was obtained between the type of outdoor activity and the degree of malignancy. Based on the vulnerable time of outdoor activities, degree III KSS patients are 100% between 10:00 to 14:00. Was obtained between the relationship between the vulnerable time of outdoor activities and the degree of malignancy skin SCC of the head and neck region in patients at DR. Soetomo General Hospital Surabaya in 2020- 2022.