Anthony M. Reginato

All articles by Anthony M. Reginato

Hydroxyapatite Crystal-Induced

Does this patient have basic calcium phosphate crystal/hydroxyapatite deposition disease? Basic calcium phosphate (BCP) crystals encompass three different types of calcium crystals: carbonate-substituted hydroxyapatite, octacalcium phosphate, and tricalcium phosphate. Hydroxyapatite (HA) is the most common component of BCP crystals. Continue Reading BCP crystals are usually inert and asymptomatic, but can cause several syndromes due to…

CPPD Arthropathy

Does this patient have calcium pyrophosphate dihydrate crystal deposition disease? Definitions Calcium pyrophosphate dihydrate (CPPD) crystal deposition disease is an umbrella term encompassing all instances of calcium pyrophosphate dihydrate (CPP) crystal precipitation in connective tissues seen in asymptomatic patients or associated with several clinical syndromes. The names traditionally used to describe CPPD crystal deposition disease…

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