343: Clinical true negative and true positive results of non-invasive prenatal screening
نویسندگان
چکیده
منابع مشابه
True Digital Artery Aneurysm - A Clinical Vignette
Swellings of the hand are commonly seen in routine clinical practuce. Ninety five percent of them are benign and most common diagnoses include ganglions, epidermoid inclusion cysts, and giant cell tumours of the tendon sheath. It is very uncommon to find true digital aneuryms in the hand. In this clinical vignette I present a case of true digital artery aneurysm, with the tell tale clinical fea...
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Intrathoracic desmoid tumours are rare soft-tissue neoplasms arising from fascial or musculo-aponeurotic structures, accounting for less than 0.03% of all neoplasms. Most cases in fact represent intrathoracic extension of chest wall tumours. This case report describes the largest recorded true intrathoracic desmoid tumour without mediastinal or chest wall invasion. The tumour was completely exc...
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Immunohistochemical stains are indispensable for problem solving in diagnostic pathology. In order to evaluate them appropriately, it is critical to be aware of the characteristics of a true positive stain and a false positive stain. A "true positive" stain shows chromogen deposition in cells or structures that truly contain the antigen of interest. In contrast, a "false positive" stain is one ...
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ژورنال
عنوان ژورنال: American Journal of Obstetrics and Gynecology
سال: 2020
ISSN: 0002-9378
DOI: 10.1016/j.ajog.2019.11.359