Tag: Biopsy
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Renal biopsy: techniques
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History of renal biopsy: The kidney was one of the last full organs explored by percutaneous puncture-biopsy. For this deep organ, there was not only a risk of hemorrhagic complications of the kidney itself but also injury to another intra- or retroperitoneal organ (pancreas, colon, spleen, liver, suprarenal, large vessels, etc.). .). This injury could lead to…
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Renal biopsy: contraindications, complications
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Introduction: Renal biopsy is an essential step in the study of kidney disease. It provides indispensable histological arguments which create the basis for the nosology of nephropathies, in particular glomeruli. Immunological marking and molecular biology studies have helped to clarify the clinical and histological individualization of kidney disease and have opened up many possibilities for their pathogenic…
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Temporal Biopsy
Indications: The biopsy is performed in case of suspicion of temporal arteritis, either in a temporal arteritis or polymyalgia rheumatica. Cons-indications: anticoagulant therapy. Principle: The histological analysis of samples of arterial wall can diagnose temporal arteritis or polymyalgia rheumatica. Technique: The gesture is performed under local anesthesia without requiring hospitalization. Local anesthesia is obtained using…
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Prostate Biopsy
Indications: The review serves to confirm or before treatment for prostate cancer and type. Principle: This is to clarify a doubt, clinical or ultrasound, realizing a sampling of the radio-controlled area possible. Technique: There are two techniques: – Transperitoneal under general anesthesia; – Transrectal without anesthesia. The collection of samples is entrusted to a cytologist,…
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Liver Biopsy
Indications: The interest of the biopsy should be carefully weighed before the risks. This is thanks to a liver tissue sampling to know the liver condition, information that can be useful in case of chronic hepatitis or cirrhosis scalable. Cons-indications: cholestatic liver disease (obstruction of the bile duct blocking the functioning of the liver). Patient…
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Biopsy of the Small Intestine
Indications: This is to detect diseases of the small intestine such as celiac disease, lymphoma, or Whipple’s disease. Cons-indications: Hemostasis disorders and against any indication to general anesthesia. Technique: There are two techniques: – High biopsies are done by gastroesophageal endoscopic examination; – Distal biopsies are done through a flexible endoscope that can cross the…
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Chance discovery of hepatitis B
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Hepatitis B is a major public health problems worldwide. Approximately 2 billion people (one third of the world population) serological markers indicating the existence of an old infection (and healed) or chronic infection (persistent) by the hepatitis B virus (HBV), and approximately 350 million people have chronic HBV infection. Morbidity and mortality from hepatitis B…
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