Os peroneum
Last revised by Nico Behnke
on 26 Jun 2024
Citation, DOI, disclosures and article data
Citation:
Gaillard F, Behnke N, Li J, et al. Os peroneum. Reference article, Radiopaedia.org (Accessed on 01 Mar 2025) https://doi.org/10.53347/rID-7648
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rID:
7648
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Disclosures:
At the time the article was created Frank Gaillard had no recorded disclosures.
View Frank Gaillard's current disclosures
Last revised:
26 Jun 2024,
Nico Behnke
Disclosures:
At the time the article was last revised Nico Behnke had no financial relationships to ineligible companies to disclose.
View Nico Behnke's current disclosures
Revisions:
31 times, by
16 contributors -
see full revision history and disclosures
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Synonyms:
- Os peroneii
An os peroneum is a small accessory bone of the foot located at the lateral aspect of the cuboid within the substance of the fibularis longus tendon as it arches around the cuboid.
On this page:
Epidemiology
It is a very common anatomical variant, seen in up to 26% of feet 1.
Differential diagnosis
It should not be mistaken for:
Related pathology
It can produce pathology (os peroneum syndrome) including fracture, fibularis longus tenosynovitis, and fibularis longus tendon tear.
Quiz questions
References
- 1. Peterson J & Bancroft L. Os Peroneal Fracture with Associated Peroneus Longus Tendinopathy. AJR Am J Roentgenol. 2001;177(1):257-8. doi:10.2214/ajr.177.1.1770257a - Pubmed
- 2. Brigido M, Fessell D, Jacobson J et al. Radiography and US of Os Peroneum Fractures and Associated Peroneal Tendon Injuries: Initial Experience. Radiology. 2005;237(1):235-41. doi:10.1148/radiol.2371041067 - Pubmed
- 3. Keles-Celik N, Kose O, Sekerci R, Aytac G, Turan A, Güler F. Accessory Ossicles of the Foot and Ankle: Disorders and a Review of the Literature. Cureus. 2017;9(11):e1881. doi:10.7759/cureus.1881 - Pubmed
Incoming Links
Articles:
- Os peroneum syndrome
- Apophysis of the proximal 5th metatarsal
- Accessory ossicles
- Fibularis longus muscle
- Sesamoid
- Stress fracture of the 5th metatarsal
- Accessory ossicles of the foot
- Avulsion fracture of the 5th metatarsal tuberosity
- Jones fracture
- Os vesalianum pedis
- Fractures of the proximal fifth metatarsal
- Fibularis longus tendon tear
- Foot radiograph (checklist)
- Iselin disease
- Accessory ossicles of the lower limb
- e.g. vs i.e.
Cases:
- Calcaneal fracture
- Painful os peroneum syndrome
- Multicentric os peroneum and Jones fracture
- Os peroneum
- Os peroneum stress fracture
- Painful os peroneum syndrome (POPS)
- Freiberg disease
- Proximal phalanx fracture - 5th toe
- Accessory ossicles of the foot (illustration)
- Accessory bones of the foot - os tibiale externum and os peroneum
- Avulsion fracture of the 5th metatarsal styloid
- Jones fracture
- Bilateral os peroneum
- Os peroneum
- Freiberg disease - 2nd metatarsal
- Os trigonum and unfused apophysis of the proximal 5th metatarsal
- Pseudo-Jones fracture
- Anterior calcaneal process fracture
- Os peroneum
- Os peroneum
Multiple choice questions:
Related articles: Anatomy: Lower limb
- skeleton of the lower limb
- joints of the lower limb
-
hip joint
- ligaments
- muscles
- additional structures
- hip joint capsule
- zona orbicularis
- iliotibial band
-
hip bursae
- anterior
- iliopsoas bursa (iliopectineal bursa)
- lateral
- subgluteal bursae
- greater trochanteric bursa (subgluteus maximus bursa)
- subgluteus medius bursa
- subgluteus minimus bursa
- gluteofemoral bursa
- subgluteal bursae
- postero-inferior
- anterior
- ossification centers
-
knee joint
- ligaments
- anterior cruciate ligament
- posterior cruciate ligament
- medial collateral ligament
- lateral collateral ligament
- meniscofemoral ligament (mnemonic)
-
posterolateral ligamentous complex
- arcuate ligament
- patellar tendon and quadriceps tendon
- anterolateral ligament
- posterior oblique ligament
- oblique popliteal ligament
- medial patellofemoral ligament
- additional structures
- extensor mechanism of the knee
- groove for the popliteus tendon
- knee bursae
- anterior bursae
- medial bursae
- lateral bursae
- posterior bursae
- knee capsule
- lateral patellar retinaculum
- medial patellar retinaculum
- menisci
- pes anserinus (mnemonic)
- ossification centers
- ligaments
- tibiofibular joints
-
ankle joint
- regional anatomy
- medial ankle
- lateral ankle
- anterior ankle
- ligaments
- medial collateral (deltoid) ligament
- lateral collateral ligament
- additional structures
- ankle bursae
- ossification centers of the ankle
- variants
- regional anatomy
- foot joints
- subtalar joint
- mid-tarsal (Chopart) joint
-
tarsometatarsal (Lisfranc) joint
- ligaments
- intermetatarsal joint
- metatarsophalangeal joint
- interphalangeal joint
- ossification centers
-
hip joint
- spaces of the lower limb
-
muscles of the lower limb
- muscles of the pelvic group
- muscles of the thigh
- muscles of the leg
- anterior compartment of the leg
- posterior compartments of the leg
- lateral compartment of the leg
- muscles of the foot
- dorsal muscles
- plantar muscles
- 1st layer
- 2nd layer
- 3rd layer
- 4th layer
- accessory muscles of the lower limb
- accessory gluteal muscles
-
accessory muscles of the ankle
- accessory peroneal muscles
- accessory flexor digitorum longus muscle
- accessory soleus muscle
- peroneocalcaneus internus muscle
- tibiocalcaneus internus muscle
- extensor hallucis capsularis tendon
- anterior fibulocalcaneus muscle
- accessory extensor digiti secundus muscle
- tibioastragalus anticus of Gruber muscle
- vascular supply of the lower limb
- arterial supply of the lower limb
- venous drainage of the lower limb
- innervation of the lower limb
- lymphatic system of the lower limb
- lymphatic pathways
- anteromedial group
- anterolateral group
- posteromedial group
- posterolateral group
- lower limb lymph nodes
- lymphatic pathways
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