Bilateral in a 12 y/o. No other signs or symptoms (skin changes etc). Hand surgeon asked me what this is. Probably an aunt mini. I don’t know other than some sort of dysplasia. Looks like a central bar of some sort or even a central osteochondroma (not sure of that even exists) but I could not find another example after 15 minutes of searching so I don’t think it’s a normal variation.
What is it? Teach me.
Phillip
Both thumbs:
2 thoughts on “Thumb prox phalanyx”
mrich
That’s a cone-shaped wpiphysis.
The most common cause IMHO is just normal variant.
However, radiopaedia gives a number of other possibilities:
Bilateral in a 12 y/o. No other signs or symptoms (skin changes etc). Hand surgeon asked me what this is. Probably an aunt mini. I don’t know other than some sort of dysplasia. Looks like a central bar of some sort or even a central osteochondroma (not sure of that even exists) but I could not find another example after 15 minutes of searching so I don’t think it’s a normal variation.
The most common cause IMHO is just normal variant.
However, radiopaedia gives a number of other possibilities:
radiopaedia.org/articles/causes-of-cone-shaped-epiphysis-mnemonic?lang=us
Bilateral in a 12 y/o. No other signs or symptoms (skin changes etc). Hand surgeon asked me what this is. Probably an aunt mini. I don’t know other than some sort of dysplasia. Looks like a central bar of some sort or even a central osteochondroma (not sure of that even exists) but I could not find another example after 15 minutes of searching so I don’t think it’s a normal variation.
What is it? Teach me.
Phillip
Both thumbs:
Cone Epiphysis