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Olga Campos Noceda

Servicio de Bioquímica Clínica. Hospital Ramón y Cajal

Wednesday, 30 September 2020

EARLY DETECTION OF SULPHADIAZINE CRYSTALS IN URINE

Written by Alejandro José Ravelo Marrero | Pablo Mediavilla Santillán | Olga Campos Noceda

DETECCIÓN PRECOZ DE CRISTALES DE SULFADIAZINA EN ORINA
Figure 1. Sulphadiazine crystals with wheat sheaf-shaped with eccentric binding morphology corresponding to the first urine sample sent to the laboratory (a) and the second urine sample (two days later) (b). Pictures at 20 and 40 increases.
 
A 49-year-old male HIV positive patient came to hospital for sudden impairment of his writing capacity of new onset without other associated symptoms. A cerebral nuclear magnetic resonance was performed, showing a space occupying lesion in the right temporoparietal space with cortical involvement, ring enhancement and associated perilesional edema. He began oral corticosteroid treatment and became asymptomatic.