nail pathology
Painful distal eritronichia and distal onycholisis
![](https://static.wixstatic.com/media/b56c11_3956ad46913e4234bc2c2e8a67a78d2e~mv2.jpg/v1/fill/w_800,h_600,al_c,q_85,enc_auto/b56c11_3956ad46913e4234bc2c2e8a67a78d2e~mv2.jpg)
This clinical picture is commonl in everyday derm consultation. Fungus is normal clinical answer but there´s a wide differential: Subungueal tumour? (glomus?) Lupus?
Transveral US scan
![](https://static.wixstatic.com/media/b56c11_cbcb6a998b004473a367789d488016bc~mv2.jpg/v1/fill/w_880,h_688,al_c,q_85,enc_auto/b56c11_cbcb6a998b004473a367789d488016bc~mv2.jpg)
There´s a bone proliferation with no flow
longitudinal US scan
![](https://static.wixstatic.com/media/b56c11_c7942d864edf411e83c38b73c2f444e7~mv2.jpg/v1/fill/w_880,h_688,al_c,q_85,enc_auto/b56c11_c7942d864edf411e83c38b73c2f444e7~mv2.jpg)
Same bone ploliferation makes diagnosis clear an indicatetes treatment: Exostosis can not be cured through imidazolics!!!
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