Mucous cysts are pseudocysts (cystic structures lacking a true lining) that usually appear on the middle or index finger of the dominant hand; toe involvement is uncommon. Although most mucous cysts ...
A lump on the finger knuckle joint can happen for many reasons, ranging from an inflammatory condition to an infection. In rare cases, a bump or lump on the finger knuckle joint can be due to a tumor.
Throbbing, aching, or shooting pain in the knuckles can result from an injury or an underlying medical condition, such as arthritis or a cyst. The treatment for knuckle pain may depend on the ...