【用戶】Chris

【年級】高三下

【評論內容】Aneurysm of the arch of the aorta – MCC = tertiary syphilis.  Pathology of syphilis is vasculitis of arterioles. Chancre, too. Its painless b/c if you section it, you will see little arterioles surrounded by plasma cells and the lumen of the vessel is completely shut, so it is ischemic necrosis.  In other words, it is ischemia of the overlying tissue undergoing necrosis.  B/c nerves are next to vessels, they are knocked off, too, and it is painless.  All of syphilis is a vasculitis.  That is what the Treponema infects – small vessels and arterioles.  What are they affecting in the arch...

【用戶】Chris

【年級】高三下

【評論內容】Aneurysm of the arch of the aorta – MCC = tertiary syphilis.  Pathology of syphilis is vasculitis of arterioles. Chancre, too. Its painless b/c if you section it, you will see little arterioles surrounded by plasma cells and the lumen of the vessel is completely shut, so it is ischemic necrosis.  In other words, it is ischemia of the overlying tissue undergoing necrosis.  B/c nerves are next to vessels, they are knocked off, too, and it is painless.  All of syphilis is a vasculitis.  That is what the Treponema infects – small vessels and arterioles.  What are they affecting in the arch...

【用戶】Chris

【年級】高三下

【評論內容】Aneurysm of the arch of the aorta – MCC = tertiary syphilis.  Pathology of syphilis is vasculitis of arterioles. Chancre, too. Its painless b/c if you section it, you will see little arterioles surrounded by plasma cells and the lumen of the vessel is completely shut, so it is ischemic necrosis.  In other words, it is ischemia of the overlying tissue undergoing necrosis.  B/c nerves are next to vessels, they are knocked off, too, and it is painless.  All of syphilis is a vasculitis.  That is what the Treponema infects – small vessels and arterioles.  What are they affecting in the arch...