Os calcaneus secundarius

Last revised by Mostafa El-Feky ◉ on 1 May 2023

Citation, DOI, disclosures and article data

Citation:

Dixon A, El-Feky M, Bell D, et al. Os calcaneus secundarius. Reference article, Radiopaedia.org (Accessed on 27 Sep 2023) https://doi.org/10.53347/rID-10661

DOI:

https://doi.org/10.53347/rID-10661

Permalink:

https://radiopaedia.org/articles/10661

rID:

10661

Article created:

2 Sep 2010, Andrew Dixon ◉

Disclosures:

At the time the article was created Andrew Dixon had no recorded disclosures.

View Andrew Dixon's current disclosures

Last revised:

1 May 2023, Mostafa El-Feky ◉

Disclosures:

At the time the article was last revised Mostafa El-Feky had no financial relationships to ineligible companies to disclose.

View Mostafa El-Feky's current disclosures

Revisions:

25 times, by 12 contributors - see full revision history and disclosures

Systems:

Musculoskeletal

Sections:

Anatomy

Tags:

normal variant, bone, foot

Synonyms:

Os calcaneus secundarius
Os calcanei secundarium
Calcaneus secundarius

An os calcaneus secundarius is an accessory ossicle of the anterior calcaneal process present in up to 5% of the population at cadaveric examination. The ossicle can be a cause of ankle pain and may mimic bifurcate ligament avulsion fracture of the anterior calcaneal process.

Differential diagnosis

fracture of the anterior process of the calcaneus: difficult to distinguish from an os calcaneus secundarius if the suspected fracture is subacute or chronic.
fracture of the tuberosity of the calcaneus
calcaneus accessorius
os cuboideum secundarium
os sustentaculi