Clinical Characteristics and Analysis of Pituitary Complex and Rare Diseases

The goal of this observational study is to systematically describe the clinical characteristics and outcomes of patients with pituitary complex and rare diseases at Peking Union Medical College Hospital. The main questions it aims to answer are: * What are the influencing factors and rates of remission? * What are the comorbidities associated with these diseases? * What are the perioperative events, radiological findings, and pathological features? Researchers will compare different patient groups to see if there are significant differences in these outcomes. Participants will: * Undergo detailed clinical evaluations. * Provide medical history and data for analysis. * Participate in follow-up assessments to monitor disease progression and treatment outcomes.