Accessory fissures of the lung

Dr Kieran Kusel and Dr Henry Knipe et al.

Accessory fissures of the lung usually occur at the borders of bronchopulmonary segments. They are common normal variants but are less commonly seen on imaging. 

Some of the more common accessory fissure include 1:

Differential diagnosis

General imaging differential considerations include:

Anatomy: Thoracic

Anatomy: Thoracic

Article information

rID: 22233
System: Chest
Section: Anatomy
Synonyms or Alternate Spellings:
  • Accessory pulmonary fissure
  • Accessory pulmonary fissures

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Cases and figures

  • Case 1: azygos fissure
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  • Case 2: inferior accessory fissure
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