Radiologic signs are the signs used for diagnosing physiological and pathological conditions in radiologic images. This list includes the names of radiologic signs in alphabetical order.

In this essay, we describe 24 classical radiological signs used in chest imaging, which would be extremely helpful in routine clinical practice not only for radiologists but also for chest physicians and cardiothoracic surgeons.

Radiologic Signs on an award-winning, radiologic teaching site for medical students and those starting out in radiology focusing on chest, GI, cardiac and musculoskeletal diseases containing over 200 PowerPoint lectures, quizzes, hand-out notes, interactive material, most commons lists and pictorial differential diagnoses

Feb 18, 2013 · The chest x-ray is the most frequently requested radiologic examination. In fact every radiologst should be an expert in chest film reading. The interpretation of a chest film requires the understanding of basic principles. In this article we will focus on: Normal anatomy and variants. Systematic approach to the chest film using an inside-out ...

Apr 14, 2025 · What are the signs of an abnormal chest X-ray? Abnormal chest X-rays may show white spots or cloudy areas (indicating fluid, infection, or tumors), an enlarged heart, collapsed lungs (atelectasis), excess air (pneumothorax), or enlarged lymph nodes.

Aug 28, 2023 · The differential attenuation of x-ray photons by two adjacent structures defines the silhouette, e.g. heart borders against the adjacent lung segments, and it is the pathological loss of this differentiation, which the silhouette sign refers to.

An award-winning, radiologic teaching site for medical students and those starting out in radiology focusing on chest, GI, cardiac and musculoskeletal diseases containing hundreds of lectures, quizzes, hand-out notes, interactive material, most commons lists …

Jan 9, 2025 · Classic signs on chest radiographs are an essential educational tool in radiology, and these signs enhance diagnostic accuracy for radiologists across a spectrum of pulmonary and cardiac conditions in acute and nonacute settings.

A radiologic sign is an objective indication of some medical fact (that is, a medical sign) that is detected by a physician during radiologic examination with medical imaging [1] (for example, via an X-ray, CT scan, MRI scan, or sonographic scan).

It is a normal finding in lateral chest x-ray, and refers to the gradual increased apparent radiolucency (blackness) of the vertebral bodies, when proceeding from upper to lower chest.