1 INTRODUCTION  
2 RELATED SURVEYS  
2.1 Deep Learning in Medical Image Analysis  
2.2 Interpretable Deep Learning in Medical Imaging  
2.3 Discussion  
3 BACKGROUND IN XAI  
3.1 XAI Methods Taxonomy  
3.2 Classical XAI Methods  
4 DATASETS  
4.1 Chest X-ray  
4.2 Other X-ray Modalities  
4.3 Dermatoscopy  
4.4 Microscopy  
4.5 Others  
4.6 Discussion  
5 XAI METHODS IN MEDICAL DIAGNOSIS  
5.1 Explanation by Feature Attribution  
5.2 Explanation by Text  
5.3 Explanation by Examples  
5.4 Explanation by Concepts  
5.5 Other Approaches  
6 EVALUATION METRICS  
6.1 Evaluating the Quality of Visual Explanations  
6.2 Evaluating the Quality of Textual Explanations  
7 PERFORMANCE COMPARISON  
7.1 Results Discussion  
8 GENERAL DISCUSSION  
8.1 Challenges and Future Research Trends  
9 CONCLUSIONS