Pectoralis major muscle abscess

Case contributed by Dr Maulik S Patel


Left anterior chest wall pain, swelling for 5-6 days.

Patient Data

Age: 30-35 years
Gender: Male

There is asymmetry in hemithorax translucency. Left hemithorax is more 'opaque' due to chest wall soft tissue swelling.  There are no air bronchogram. 


There is lobulated collection in sternal head of pectoralis major muscle. There are floating echoes in it. Approximate Size - 80 x 50 x 30 mm

Clavicular head and rest of the sternal head of pectoralis major muscle are odemaotus. Costal head is normal.

Pectoalis major tendon is normal.

Pectalis minor muscle is normal

Axillary vessels are patent. There are few adjacent subcentimeter sized reactive nodes.

There is odema involving overlying subcutaneous fat plane.

Case Discussion

Findings favour chest abscess involving sternal head of pectoralis major muscle.

Incision and drainage confirmed abscess.

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Case information

rID: 44872
Published: 7th May 2016
Last edited: 16th Jul 2018
Inclusion in quiz mode: Included

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