I was pleasantly surprised by the overwhelming response to a tweetorial posted yday.
So here's one for those who want more. Do let me know if you like similar tweetorials in Clin Med/Hepat/GE.
This time, Spider Naevi!
🟡 What's a spider nevus?
Aka Nevus araneus/ spider angiomata
It has 5 components: cutaneous arterial net, central arteriole, subepidermal ampulla, ⭐ shaped afferents & capillaries (J Am Acd Dermatol 1997)
0.1- 1cm, sometimes huge
Warmer than surrounding
🆔 Ludwig Traube(1818-1876) 🇩🇪
✔Under Josef Skoda & Carl Rokitansky
✔ 👫 of Virchow, Frerichs& Osler
Primary ❤- Resp, kidney & ❤
✔described in Lt pleural eff(esp TB)
✖Name it/ associate with splenomeg
(Arch Int Med 1992) (2/n)
1st described in HE by Adams RD & Foley JM
(Trans Am Neurol Assoc 1949)
(1/n)
🟣Historical snippet
✔1st observed at Boston City Hospital.
✔Foley described it to a Jesuit scholar, Father Cardigan over a 🥂
✔Called it "An-iso-sterixis"
✔Tongue twister> abbreviated to asterixis
✔Adams on Harrisons editorial bd⏩popular