Lung fissures | Radiology Reference Article - Radiopaedia.org
Oct 22, 2024 · The horizontal fissure, also known as the minor fissure or transverse fissure, is found in the right lung and separates the right upper and middle lobes. It runs horizontally at the right 4th costal cartilage level from the hilum to the anterior and lateral surfaces of the right lung.
Chest X-ray Abnormalities - Lobes, fissures and contours
Although it is generally best to refer to the location of lung abnormalities in terms of zones, occasionally you will see signs, that will tell you which specific lobe is involved. The right middle lobe is bordered superiorly by the horizontal fissure, and medially by the right heart border.
The Normal Chest - Radiology Key
Mar 2, 2016 · On a standard chest radiograph, the minor fissure contacts the chest wall at the axillary portion of the right sixth rib. The fissure curves gently, with its anterior and lateral portion usually curving downwards.
The Pleura and Pleural Disease - Radiology Key
Oct 10, 2016 · On a frontal radiograph, the minor fissure or a portion of the fissure is visible in 50% to 80% of cases, appearing as a roughly horizontal line, generally at or near the level of the anterior fourth rib.
Chest X-ray Anatomy - Lung lobes and fissures - Radiology …
The right lung has two fissures, oblique fissure and horizontal fissure, which separate the lung into three lobes - upper, middle, and lower. Each lobe has its own visceral pleural covering. Only the horizontal fissure is commonly seen on a frontal chest X-ray.
Lung and Pleura - Radiology Key
Jul 20, 2019 · The minor fissure separates the upper lobe of the right lung from the middle lobe. It is visible in PA and lateral radiographs because it has a partial tangential orientation in both projections ( Fig. 4.1 ).
Normal and accessory fissures of the lung: Evaluation with …
The left minor fissure separates the lingula from the remainder of the left upper lobe . It has been reported in 8–9% of radiologic (HRCT) studies and 8–18% of anatomic (autopsy) specimens . In most cases the usual segmental anatomy is preserved, with …
Anatomy of the minor fissure: evaluation with thin-section CT.
Appearance of the minor fissure on CT scans can be categorized into two major configurations, which are determined by variation in contour of the middle lobe upper surface. The location of the highest point along this surface is either medial (type I …
Chest Radiology
On the PA chest xray, the minor fissure divides the right middle lobe from the right upper lobe and is sometimes not well seen. There is no minor fissure on the left. The major fissures are usually not well seen on the PA view because you are looking through them obliquely.
Horizontal fissure | Radiology Reference Article - Radiopaedia.org
Oct 10, 2023 · The horizontal fissure, also called the minor fissure or transverse fissure, is a unilateral structure in the right lung that separates the right middle lobe from the right upper lobe.
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