Bulging fissure sign (lobar consolidation)

Changed by Ayush Goel, 3 Oct 2014

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The bulging fissure sign refers to lobar consolidation where the affected portion of the lung is expanded. It is now rarely seen due to the widespread use of antibiotics.

The most common infective causative agents are ¹:

Klebsiella pneumoniae -: Klebsiella pneumonia
Streptococcus pneumoniae
Pseudomonas aeruginosa -: pseudomonas pulmonary infection
Staphylococcus aureus

Other uncommon agents are:

Legionella pneumophila ³

It may also be seen with bronchoalveolar carcinoma ⁴.

-The bulging fissure sign refers to lobar <a href="/articles/air-space-opacification-1">consolidation</a> where the affected portion of the lung is expanded. It is now rarely seen due to the widespread use of antibiotics.The most common infective causative agents are 1 <ul>
+The bulging fissure sign refers to lobar <a href="/articles/air-space-opacification-1">consolidation</a> where the affected portion of the lung is expanded. It is now rarely seen due to the widespread use of antibiotics.The most common infective causative agents are 1:<ul>
~~-Klebsiella pneumoniae - <a title="Klebsiella pneumonia" href="/articles/klebsiella-pneumonia">Klebsiella pneumonia</a>~~
+Klebsiella pneumoniae: <a href="/articles/klebsiella-pneumonia">Klebsiella pneumonia</a>
~~-Pseudomonas aeruginosa - <a href="/articles/pseudomonas-pulmonary-infection">pseudomonas pulmonary infection</a>~~
+Pseudomonas aeruginosa: <a href="/articles/pseudomonas-pulmonary-infection">pseudomonas pulmonary infection</a>
~~-</ul>Other uncommon agents are <ul><li>~~
+</ul>Other uncommon agents are:<ul><li>
~~-</li></ul>It may also be seen with <a href="/articles/adenocarcinoma-in-situ-and-minimally-invasive-adenocarcinoma-in-lung">bronchoalveolar carcinoma</a> 4~~
+</li></ul>It may also be seen with <a href="/articles/adenocarcinoma-in-situ-and-minimally-invasive-adenocarcinoma-in-lung">bronchoalveolar carcinoma</a> 4.