Characterization of hypertrophic osteoarthropathy in an identified skeleton from Évora, Portugal, using combined and comparative morphology and microscopy.

A probable case of HOA is presented in the skeleton of an elderly Portuguese male from Évora, Portugal, who died in 1970, and bilateral periosteal proliferation of the tubular bones, remodeling of the phalanges of the feet, and new bone formation on rib visceral surfaces are found.