Uric acid crystals are characterised by their needle shape and strong double refraction in polarised light, whereas crystals of calcium pyrophosphate dihydrate, which are found in chondrocalcinosis, ...

Calcium pyrophosphate deposition (CPPD) disease is secondary to the pathological accumulation of calcium pyrophosphate (CPP) crystals inside joints and involves acute or chronic inflammatory ...

May 30, 2025 — Researchers have discovered two genes, RNF144B and ENPP1, that cause calcium pyrophosphate deposition (CPPD) disease in Americans of European and African descent.

Examples include gout, an acute arthritis driven by monosodium urate crystals, or MSUc; CPPD disease, another inflammatory joint disease driven by calcium pyrophosphate ...

Healthline editors, dietitians, and medical integrity team members have vetted more than 100 products to decide on the best multivitamin for women.

Abstract The effects that 20 ppm poly (epoxysuccinic acid) (PESA), poly (aspartic acid) (PASP), and two poly (acrylic acid) (PAA) compounds with molecular weights of ∼2000 and ∼100 000 have on the ...