Why difficulty levels are used
Difficulty levels help users navigate DxCases clinical cases and select educational materials according to their experience, learning goals, and diagnostic objectives.
They are not a strict scientific classification and do not reflect the “importance” of a case. Instead, they provide practical guidance regarding the educational complexity of the material.
Basic Level
Clinical cases with relatively typical imaging findings and straightforward diagnostic reasoning.
These cases are suitable for an initial introduction to a pathology, review of classic imaging features, and development of basic visual recognition patterns.
Typical features include:
- imaging findings are clearly expressed;
- the diagnostic pathway is relatively straightforward;
- the differential diagnosis is limited;
- the key finding is well demonstrated on imaging.
Intermediate Level
Clinical cases where imaging findings may be incomplete, variable, or require correlation with clinical data.
These cases help develop practical diagnostic reasoning and the ability to interpret ambiguous findings.
Typical features include:
- imaging findings are not fully expressed;
- clinical context plays an important role;
- differential diagnosis should be considered;
- subtle details of description and interpretation are important.
Advanced Level
Clinical cases involving rare pathology, unusual disease presentation, complex interpretation, or a high risk of diagnostic error.
These cases are intended for deeper analysis and development of an expert approach to clinical imaging.
Typical features include:
- the disease is uncommon;
- imaging findings are atypical;
- a broad differential diagnosis is required;
- pathophysiology, clinical context, and diagnostic confirmation are important.
Diagnostic Pitfall
Clinical cases where imaging findings may be misinterpreted as another condition or may lead to an incorrect diagnostic conclusion.
This is one of the most important sections of DxCases, as it helps not only recognize pathology but also avoid common diagnostic errors.
Typical features include:
- imaging findings mimic another pathology;
- a classic imaging sign has an unusual cause;
- a rare condition presents as a common disease;
- a common condition presents in an unusual way;
- incorrect interpretation may affect patient management.
Important Note
Difficulty levels are inherently subjective. The same case may be challenging for a trainee but straightforward for an experienced specialist.
Therefore, difficulty levels on DxCases are intended as an educational navigation tool and should not be interpreted as a formal assessment of a physician, diagnosis, or clinical significance of a case.