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Case Study – Subcostal Rib Contouring for Protrusion Removal

 

Background: The ribs occupy a large amount of one’s torso, encompassing substantial surface area coverage on the chest and back. With twelve pairs of ribs (sometimes one less or more) , these 24 body parts provide structural support  and protection for the any organs that keep us alive. While seemingly simple in their design , their location and composition (bone vs cartilage) make for a variety of potential ribcage deformities.

One of the most common areas for such aesthetic deformities is the subcostal rib region. This lower chest area is composed of the merging of the mainly cartilaginous ribs #7, 8 and 9 from the side of the chest into the sternum. When deformities in this area occur, they are especially noticeable but also can cause discomfort in this very palpable area.

The subcostal rib region is prone to deformities particularly from injury. It’s lower margin often sticks out and becomes a prominent target for traumatic events. Because these rib portions are cartilaginous and, more importantly, have an osseo-cartilaginous junction brunt trauma can cause shape deformities. Partial separation of the osseo-cartilaginous junction, subperichondrial hematoma and partial rib cartilage fractures can all make for a prominent subcostal rib protrusion.

Case Study: This middle-aged male developed a very prominent bump along the right subcostal rib margin. It was not present at birth or through the earlier years of his life.  It developed without specific recollection of any traumatic event. While he had overall prominent subcostal rib margins due to his very the body frame, there was a very distinct prominent bump on the right subcostal margin along rib #8. It was medial to the osseo-cartilaginous junction.

Under general anesthesia a small 3 cm incision was made directly over the rib bump. The rectus muscle was vertically separated and the prominent cartilage bump exposed. It was shaved down with a scalpel as much as possible within the limits of what the incision would permit. Then a rotary handpick and burr was used to take it down further and feather into the surrounding rib edges. (rib contouring)

Prominent subcostal rib bumps or protrusions can be very successfully reduced through a small direct incisional approach. While this patient’s case represents the smallest example of subcostal rib contouring, the technique is effective nonetheless.

Highlights:

1) One reason for rib contouring surgery is for prominent and painful rib protrusions.

2) The anterior subcostal ribs margin is a common place for cartilaginous protrusions.

3) Depending on the size of the protrusion, rib shaving reduction is a good technique for its treatment.

Dr. Barry Eppley

Indianapolis, Indiana


Dr. Barry EppleyDr. Barry Eppley

Dr. Barry Eppley is an extensively trained plastic and cosmetic surgeon with more than 20 years of surgical experience. He is both a licensed physician and dentist as well as double board-certified in both Plastic and Reconstructive Surgery and Oral and Maxillofacial Surgery. This training allows him to perform the most complex surgical procedures from cosmetic changes to the face and body to craniofacial surgery. Dr. Eppley has made extensive contributions to plastic surgery starting with the development of several advanced surgical techniques. He is a revered author, lecturer and educator in the field of plastic and cosmetic surgery.

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