Yes, the calcaneus is included in a standard MRI of the foot.
When you order an MRI of the foot, the calcaneus (heel bone) is routinely included in the imaging field of view. This is well-established in standard imaging protocols and confirmed by multiple ACR Appropriateness Criteria guidelines 1, 2.
Anatomical Coverage in Foot MRI
The foot MRI examination encompasses the entire hindfoot, midfoot, and forefoot structures. The calcaneus is a fundamental component of the hindfoot and is consistently visualized on foot MRI studies. The evidence demonstrates that:
- Calcaneal pathology is routinely assessed on foot MRI, including occult fractures, bone marrow edema, and soft tissue abnormalities 1
- Studies specifically document MRI detection of calcaneal fractures that were radiographically occult 1
- The calcaneus is explicitly mentioned in imaging protocols for both acute trauma 2 and chronic foot pain 1
Clinical Applications
MRI of the foot effectively evaluates multiple calcaneal conditions:
- Occult calcaneal fractures - MRI demonstrates bone marrow edema patterns that improve fracture detection when radiographs are negative 1
- Anterior process fractures - These injuries are well-visualized on MRI, with better sensitivity than plain radiographs 3
- Baxter's neuropathy - The inferior calcaneal nerve is best visualized anterior to the calcaneus on MRI 1
- Plantar fasciitis with calcaneal marrow edema - MRI can demonstrate associated calcaneal bone marrow changes 4
Important Anatomical Detail
Research confirms that MRI provides highly detailed anatomy of the calcaneus, including cortical bone, marrow, articular cartilage, and surrounding soft tissues 5, 6. The calcaneal apophysis in children is also well-visualized on foot MRI 7.
Common pitfall to avoid: Don't assume you need a separate "calcaneus MRI" or "heel MRI" order - the standard foot MRI protocol includes complete visualization of the calcaneus from the posterior tuberosity through the anterior process and all articulations.