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Interesting: BiPartite Cuneiform

Discussion in 'General Issues and Discussion Forum' started by drsarbes, Feb 4, 2009.

  1. drsarbes

    drsarbes Well-Known Member

    Members do not see these Ads. Sign Up.
    I found this interesting.

    X-raying a 42 Y/O M for Calcaneal-Cuboid pain and saw this, a bipartite Cuneiform.

    "There have been only 3 reports in the literature citing bipartite medial cuneiform in a living patient as an incidental finding."

    Can we make it 4?

    Anyone with any experience with these?

    I think in this case it's just an coincidental finding.


    Attached Files:

  2. suresh

    suresh Active Member

    Hi Steeve,
    I couldn't make out in this bipartate cuniform.
    could you outline or mark in this x ray

  3. drsarbes

    drsarbes Well-Known Member

    Hi Suresh:
    I'm out of town and don't have access to the original right now,


    the line of demarkation runs proximal to distal. If you look at the med cuneiform you will see a line running through the middle from the middle of the distal navicular articular surface to the middle of the articular surface at the first metabase. This gives you what amounts to dorsal and plantar halves.

    Hope that helps.

    Last edited: Feb 7, 2009
  4. efs

    efs Welcome New Poster


    I've seen and treated a few symptomatic bipartite cuneiforms. Most that I've seen have been incidental findings though. Good catch, I think most people wouldn't recognize it for what it is.


    Attached Files:

  5. drsarbes

    drsarbes Well-Known Member

    Hi Efs:
    THis was an old post.
    Looking at your post op xray.....what kind of symptoms did your patient have?
    I'd like to hear about the procedure.


  6. efs

    efs Welcome New Poster

    Interesting topic to me. It's something unusual, but by chance I've seen it a few times. The one in the xray presented with chronic medial midfoot pain and history of remote injury (MVA Rollover). Initially treated conservatively without relief. He then had a dorsal met-cuneiform exostectomy which helped for about 5-6 months. At that point he was offered fusion of the bipartite medial cuneiform. About 5 months after surgery he was able to return to running and other activities.

    A medial approach was taken in surgery, directly over the bipartition. On opening it there was cartilage on both surfaces, which was removed with a rongeour and curettes. Fenestrated both surfaces, and placed the screws percutaneously from dorsal to plantar.

    I saw another case which was initially treated as a Lisfranc's injury, with conservative treatment. He also underwent fusion of cuneiform, but also had a screw placed across the cuneiform to the 2nd met base.

    Last surgical one was a baseball injury in which the bipartite cuneiform was displaced, so did ORIF with fusion of the bipartition.

    Recently I saw another symptomatic bipartite cunieform, but improved with steroid injection done under fluoroscopy.

    I think I've seen enough of them that it should be a publishable article, but it's taking me longer to write it than it ought to. BTW in our digital xray system, I was able to find ~ 40 others, incidental findings. I think it may be more frequent than we think, just overlooked. I have a young active patient population which may be why I've seen it, and I look for it. I was recently looking at my materials again, and did a search which is how I found the one you mentioned.


    Last edited: Sep 20, 2009
  7. drsarbes

    drsarbes Well-Known Member

    Thanks for the info Eric: Interesting stuff. I remember seeing 3 in 30 years, non symptomatic.
    Good luck on your paper, if you need my case just for "numbers" let me know I'll send the vital stats to you.

  8. JeffSouth

    JeffSouth Welcome New Poster


    thanks for showing this case. I have seen few similar cases last year. You can identify the bipartite cuneiform on sagittal images showing an E-sign as actually seen in the x-ray of your case. See Elias I et al, bipartite cuneiform in Journal of Medical Case Reports 2008. Also, all cases we saw in clinic had symptomatic midfoot and the bipartite was unexpected and an incidental finding.

  9. NewsBot

    NewsBot The Admin that posts the news.

    Sports Injury to a Bipartite Medial Cuneiform in a Child
    Timothy B. Eves, Mudussar A. Ahmad,Michael J. Oddy
    Journal of Foot and Ankle Surgery; Article in Press
  10. NewsBot

    NewsBot The Admin that posts the news.

    Bipartite Medial Cuneiform Combined with Accessory Navicular: A Case Report
    Tae-Hoon Lee, Il-Hyun Nam, Gi-Hyuk Moon, Yeong-Hyeon Lee, Gil-Yeong Ahn, Young-Hoon Lee
    The Korean Journal Foot and Ankle Surgery 2015;19:32-34
  11. NewsBot

    NewsBot The Admin that posts the news.

    Bipartite medial cuneiform: magnetic resonance imaging findings and prevalence of this rare anatomical variant.
    Serfaty A et al
    Skeletal Radiol. 2019 Nov 28

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