FootEducation on Twitter: "An Accessory Navicular (aka Os Naviculare) is described as: an unusual "extra" bony extension of the navicular bone. Fortunately, while unusual, an accessory navicular bone is a common finding
Accessory Bone: Os Navicularis - Consultant Podiatric Surgeon - Jonathan Larholt
The Prevalence of Accessory Ossicles, Sesamoid Bones, and Biphalangism of the Foot and Ankle: A Radiographic Study - Busra Candan, Ebru Torun, Rumeysa Dikici, 2022
Anatomical variation in the ankle and foot: from incidental finding to inductor of pathology. Part II: midfooot and forefoot | Insights into Imaging | Full Text
Os Navicular Syndrome: A symptomatic accessory ossicle of the foot
Tuberosity of navicular bone - e-Anatomy - IMAIOS
Painful type II os naviculare: introduction of a standardized, reproducible classification system | SpringerLink