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maltese cross
Etiology:
- descriptor often applied to lipid crystals in synovial fluid
- the four-point cross pattern (Maltese cross) is a classic finding for calcium oxalate crystals in urine under polarized light microscopy [2]
- trophozoites appearing as multiple ring forms within RBCs forming a tetrad (maltese cross) on a Wright-stained peripheral blood smear obtained during a chill of babesiosis
Related
crystals in synovial fluid
References
- Stedman's Medical Dictionary 27th ed, Williams &
Wilkins, Baltimore, 1999
- Medical Knowledge Self Assessment Program (MKSAP) 20
American College of Physicians, Philadelphia 2025