Penis & scrotum
Inflammatory
Ossification
Authors: Alcides Chaux, M.D., Antonio L. Cubilla, M.D.
Last author update: 1 February 2010
Last staff update: 28 February 2022
Copyright: 2002-2024, PathologyOutlines.com, Inc.
PubMed Search: Os penis[TIAB]
Table of Contents
Definition / general | Terminology | Etiology | Clinical images | Microscopic (histologic) images | Differential diagnosisCite this page: Chaux A, Cubilla AL. Ossification. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/penscrotumospenis.html. Accessed April 16th, 2024.
Definition / general
- Heterotopic bone in penis (Eur Urol 1984;10:420), most commonly in elderly and also children
- Note: male mammals except chimpanzees and humans have an intrapenile bone (bacula); humans have an equivalent strong distal ligament composed of type I collagen in the glans (J Androl 2005;26:624)
Terminology
- Also called baculum, penis / penile bone
Etiology
- Penile ossification may occur after trauma (Urology 1990;35:349)
- Also associated with diabetes, gout, venereal disease, Peyronie disease and neoplasia
- Rarely congenital (J Urol 1964;91:663)
Clinical images
Images hosted on other servers:
Raccoon
Dog
Walrus
Figure F: obvious distal ligament within the glans penis
Microscopic (histologic) images
Images hosted on other servers:
Figure C: distal ligament
Differential diagnosis
- Ossification in the corpora cavernosa (Eur Urol 1995;27:252)
