What is Buttonhole sign?
Buttonhole sign
In type 1 neurofibromatosis (Von-Recklinghausen's disease)
👉neurofibromas can be invaginated with the tip of index finger back into the subcutis and again reappear after release of pressure.
Buttonhole sign
Other condition where one can find positive buttonhole sign are
anetoderma
dermatofibroma.
Dermatofibroma
👉 commonly occurring cutaneous entity usually centered within the skin's dermis
👉 benign fibrous histiocytomas of the skin, superficial/cutaneous benign fibrous histiocytomas, or common fibrous histiocytoma
Anetoderma, also known as macular atrophy
👉 uncommon disorder of elastic tissue
👉 clinically characterized by wrinkled and atrophic depressions or saccular outpouchings of the skin
👉 these may herniate upon digital pressure
slideshare.net/DrArulSelvan/s…
emedicine.medscape.com/article/111200…
Von-Recklinghausen's disease
Von-Recklinghausen's disease
Share this Scrolly Tale with your friends.
A Scrolly Tale is a new way to read Twitter threads with a more visually immersive experience.
Discover more beautiful Scrolly Tales like this.