Patterns of Presentation of Rare Problems
| Problem Presentation | Clinical Examples |
|---|---|
| Low incidence or prevalence in practice population | Insulinoma |
| Classic presentation of a rare disorder | Renal tuberculosis in asymptomatic patient with persistent sterile pyuria |
| Rare clinical presentation | Melanoma presenting as pelvic mass |
| Rare clinical course | Cholecystitis in a 5-month-old child |
| Obscure diagnosis | Diagnosis of carotinemia after extensive studies by multiple consultants for jaundice |
| Rare coincidence | Sexual assault leading to multiple sexually transmitted diseases and hydatidiform mole |
| Rare intervention | Fontan procedure for hypoplastic left ventricle syndrome |
| Rare complication | Ovarian teratoma incarcerated in inguinal hernia |
| Special family context | Prenatal diagnosis in pregnant woman with adrenoleukodystrophy |
| Special community context | Diagnosis of pertussis identifying epidemic |