Accessory left horizontal fissure

Case contributed by Dr Subash Thapa

Presentation

General checkup.

Patient Data

Age: 35 years
Gender: Female
X-ray

There is a thin, smooth linear radiopaque density in the left mid zone arising from the left hilum, oriented horizontally and resembling the right horizontal fissure. There are two well-defined nodular opacities in the right mid zone adjacent to and above the right horizontal fissure - probably calcified granulomas.

Case Discussion

The left horizontal fissure is identified in 1.6% of subjects. It separates the lingula from the rest of the left upper lobe (anterior-apicoposterior segments). Most commonly, the left horizontal fissure is higher than the right. 

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Case information

rID: 53740
Case created: 3rd Jun 2017
Last edited: 5th Jun 2017
System: Chest
Inclusion in quiz mode: Included

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