oral leukoplakia
Conditions
Interventions
Study group (Retrospective cohort):received ALA photodynamic therapy for 5 years
Study Group (Prospective Cohort):received photodynamic therapy for less than 5 years
Sponsors
Peking University School of Stomatology
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: (1) Patients diagnosed with vitiligo by clinical and pathological conditions. (2) Have a complete medical history and be able to follow up for 5 years.
Exclusion criteria
Exclusion criteria: (1) no pathological diagnosis (2) medical history less than 5 years or lost to follow-up; Incomplete medical records (3) Cases of mismatch between gender, age, and pathological classification between the control group and the exposed group were eliminated. (4) Patients in a prospective cohort study who are unwilling to join this study for any reason
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| time of malignant transformation; | — |
Secondary
| Measure | Time frame |
|---|---|
| duration of leukoplakia;time of pathological diagnosis;treatment;smoking;drinking;chew betel nut;Non-invasive test results;time of photodynamic therapy;time of again pathological time; | — |
Countries
China
Contacts
Public ContactYing Han
Peking University School of Stomatology
Outcome results
None listed