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Alba Arroyo Vega

Servicio de Bioquímica Clínica. Hospital Ramón y Cajal

Thursday, 30 April 2020

ATYPICAL URINARY PRESENTATION OF CALCIUM OXALATE MONOHYDRATE KIDNEY STONES

Written by Ana María García Cano | Alejandro José Ravelo Marrero | Alba Arroyo Vega

ASPECTO ATÍPICO EN CÁLCULO URINARIO DE OXALATO CÁLCICO MONOHIDRATADO
Figure 1. Set of kidney stones of the same patient (a), examined individually according to their appearance (b, c and d). Typical calcium oxalate monohydrate kidney stone (e). Several kidney stones of 388.5 mg corresponding to the same patient (a). Depending on their appearance three kidney stones are distinguised: the first is brown, smooth, rounded surface and hard fracture consistency (b). The second is light brown, smooth, rounded surface and hard fracture consistency (c). The third is grayish, with a rough surface, and intermediate hardness (d).

Kidney stones belong to a 54-year-old patient with surgical history of multiple renal lithiasis, who presents an episode of left obstructive uropathy with infection due to a new event of lithiasis. She required a double J stent placement.

Thursday, 30 April 2020

ASCITITIC LIQUID OF UNKNOWN ETHOLOGY

Written by Ana María García Cano | Alba Arroyo Vega | Marta Rosillo Coronado

LÍQUIDO ASCÍTICO DE ETIOLOGÍA DESCONOCIDA
Figure. Appearance of the liquid before centrifugation (A), after centrifugation (B) and sparkling supernatant (C and D).

A 53-year-old patient with a diagnosis of stage IIIC high-grade serous carcinoma of the ovary, admitted to surgery for peritoneal carcinomatosis secondary to it, for biopsy and treatment of hyperthermic intraperitoneal chemotherapy (HIPEC).

In the course of the intervention, a large amount of milky-looking ascitic fluid is found, which is evacuated to a total of 4.9 liters. When in doubt about the origin and composition of the same, they send the sample for analysis to the laboratory.