左腹部下侧隐痛可能是由多种原因引起的，包括憩室炎，肾结石，输尿管炎，卵巢囊肿，内疝，肠梗阻，区域性肠炎，腰肌脓肿等 [1, 2, 3, 4]。如果疼痛突然加剧或伴有其他症状，如发热、恶心或呕吐，应立即寻求医疗帮助。
[1]左下腹异常疼痛。[PubMed:Left lower quadrant pain of unusual cause.(2001)]
[2][急性左下腹痛：超声鉴别诊断]。[PubMed:[Acute left lower quadrant abdominal pain: ultrasonographic differential diagnosis].(2003)]
[3]评估左下腹痛患者。[PubMed:Evaluating the Patient with Left Lower Quadrant Abdominal Pain.(2016)]
[4]下腹痛的常见原因及治疗[健康线:Lower Abdominal Pain: Common Causes and Treatment(2017)]