In the sentence extracted from biomedical literature, identify all the disease entities. The required answer format is the same sentence with HTML <span> tags to mark up specific entities. 
### Entity Markup Guides:
Use <span class="disease"> to denote a disease.

### Input Text: The detailed case histories of an exceptional case from this series will be presented a 95 - year - old man with 39 repeats who did not have classical features of HD .
### Output Text:
The detailed case histories of an exceptional case from this series will be presented a 95 - year - old man with 39 repeats who did not have classical features of <span class="disease">HD</span> . 