Ashy dermatosis and lichen planus pigmentosus Ashy dermatosis,
Conditions
Interventions
Patients with clinical ashy dermatosis,Patients with lichen planus pigmentosus
Diagnostic,Diagnostic
Ashy dermatosis,Lichen planus pigmentosus
Sponsors
Division of Dermatology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University
Division of Dermatology,
Faculty of Medicine,
Ramathibodi Hospital,
Mahidol University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: • Patients with ashy dermatosis(AD) or lichen planus pigmentosus (LPP) as definite or differential diagnosis from the past 10 years • Available photographs that are consistent with AD or LPP • Available biopsy specimen from hyperpigmented lesion
Exclusion criteria
Exclusion criteria: Any medications that can cause lichenoid drug eruption History suggesting pigmented contact dermatitis History of preceding erythematous lesions, suggesting PIH Histopathology suggesting other pathology e.g. dermal melanocytosis, amyloidosis etc.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Histopathological changes when biopsy specimens were obtained Evaluation by specialist | — |
Secondary
| Measure | Time frame |
|---|---|
| Clinico-pathological correlation when photographs and biopsy specimens were obtained Evaluation by specialist | — |
Countries
Thailand
Contacts
Public ContactSiriorn Sukanjanapong
Ramathibodi Hospital
Outcome results
None listed