We offer access to questions covering the CEM database and LEK questions from 2008.
We offer access to archived PES questions from the CEM website and unpublished questions from the latest 5 years for selected specializations.
61.
A 77-year-old patient treated for urolithiasis for many years complains of a generalized bone pain. Laboratory tests show: calcium concentration 12.3 mg/dL (N: 8.5-10.5 mg/dL), daily calcium excretion 480 mg/24h (N: 150-300 mg/24h), PTH 227 pg/ml (N: 15-65 pg/mL). The most probable diagnosis is: