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Hace 5 días · Pathology. Three precursor lesions for pancreatic adenocarcinoma have been identified 8: pancreatic intraepithelial neoplasia (PanIN): responsible for more than 90% of pancreatic cancers 12. intraductal papillary mucinous neoplasm (IPMN) mucinous cystic neoplasm. Cancerous cells arise from the pancreatic ductal epithelium.
Hace 3 días · Bronchiectasis is the common response of bronchi to a combination of inflammation and obstruction/impaired clearance. Causes include 1-7,9,17,21: idiopathic (most common) impaired host defenses. cystic fibrosis (most common cause in children) primary ciliary dyskinesia, e.g. Kartagener syndrome , Young syndrome.
Hace 5 días · Pathology. Anterior cruciate ligament ganglion cysts are histologically identical to those seen elsewhere, most commonly around the wrist. They comprise mucoid material surrounded by a pseudocapsule 6. The pathogenesis remains controversial, with two theories being favored: sequelae of ACL mucoid degeneration.
Hace 5 días · Pathology. Three precursor lesions for pancreatic adenocarcinoma have been identified 8: pancreatic intraepithelial neoplasia (PanIN): responsible for more than 90% of pancreatic cancers 12. intraductal papillary mucinous neoplasm (IPMN) mucinous cystic neoplasm. Cancerous cells arise from the pancreatic ductal epithelium.
Hace 5 días · Citation, DOI, disclosures and article data. Spinal arteriovenous fistulas (spinal AVFs) are characterized by abnormal communication and shunting of blood from an artery to a vein of the spine that bypasses the capillary bed. They are classified by size and angioarchitecture and are distinct from spinal arteriovenous malformations, which ...
Hace 3 días · Checking the abdominal arteries. On a standard portal venous phase computed tomography (CT) series, you will get a balanced view of the vasculature that includes both major arteries and veins. On the other hand, an examination such as CT angiography obtains images earlier after contrast which allows you to see even small arterial branches.
Hace 3 días · Citation, DOI, disclosures and article data. Ultrasound ( US) is an imaging technology that uses high-frequency sound waves to characterize tissue. It is a useful and flexible modality in medical imaging and often provides an additional or unique characterization of tissues when compared to other modalities such as conventional radiography or CT.
