Subungual Exostosis Quiz
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There is a lump
Reddish skin lumps
There are deformed nails
Red skin bumps
Lumps under skin
Abnormalities in fingernail shape
Yellow skin bumps
Not seeing your symptoms? No worries!
What is Subungual Exostosis?
Subungual exostosis is a benign bony outgrowth that occurs under the nail of a toe or finger tip. It often happens after trauma or infection in the area and is most common in children and adolescents.
Typical Symptoms of Subungual Exostosis
- Change in nail shape
- Red or yellow skin lumps
- Change in nail color
- Toe pain
- Skin lumps
- Pain in the nails
Diagnostic Questions for Subungual Exostosis
Your doctor may ask these questions to check for this disease:
- Did your nail shape change?
- Do you have yellow or red lumps/bumps on your skin?
- Did your nail color change?
- Are you experiencing toe pain?
- Have you noticed any lumps on your skin?
Treatment of Subungual Exostosis
To remove subungual exostosis, surgery is performed with the affected toe or finger anesthetized. The bone is scraped clean to prevent future outgrowth.
Reviewed By:
Kent C Doan, MD (Orthopedics)
Dr Doan Graduated from the University of Missouri Kansas City School of Medicine and completed residency training in Orthopedic Surgery at the University of Colorado. He completed additional fellowship training in Orthopedic Sports Medicine at the prestigious Steadman Clinic and Steadman Philippon Research Institute in Vail, Colorado. He is a practicing Orthopedic Surgeon who specializes in complex and revision knee and shoulder surgery at the Kansas City Orthopedic Institute. He also holds an assistant professorship at the University of Kansas City.
Yukiko Ueda, MD (Dermatology)
Dr. Ueda graduated from the Niigata University School of Medicine and trained at the University of Tokyo Medical School. She is currently a clinical assistant professor at the Department of Dermatology, Jichi Medical University, and holds several posts in the dermatology departments at Kyoto Prefectural University of Medicine, Komagome Hospital, University of Tokyo, and the Medical Center of Japan Red Cross Society.
Content updated on Mar 31, 2024
Following the Medical Content Editorial Policy
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People with similar symptoms also use Ubie's symptom checker to find possible causes
- Toenail growing into skin
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- Yellow nails
- Toe redness
- Pain in my toe
- Yellowish skin lumps
- Toe swelling
- Discharge from toenail
- Discoloration of the nails
- Painful nail
- Toe feels warm
- Pain in the toes
- Skin growing over nail
- The nail has a black streak
- Nail pain
See full list
Symptoms Related to Subungual Exostosis
Diseases Related to Subungual Exostosis
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Link to full study:
https://www.medrxiv.org/content/10.1101/2024.08.29.24312810v1References
Yousefian F, Davis B, Browning JC. Pediatric Subungual Exostosis. Cutis. 2021 Nov;108(5):256-257. doi: 10.12788/cutis.0380. PMID: 35100532.
https://www.mdedge.com/dermatology/article/248294/pediatrics/pediatric-subungual-exostosisShah SN. Subungual exostosis. Indian J Pathol Microbiol. 2021 Jul-Sep;64(3):598-599. doi: 10.4103/IJPM.IJPM_656_20. PMID: 34341284.
https://www.ijpmonline.org/article.asp?issn=0377-4929;year=2021;volume=64;issue=3;spage=598;epage=599;aulast=ShahVaccaro M, Bartolomeo LD, Cannavo SP. Dupuytren Subungual Exostosis. Indian Pediatr. 2021 Feb 15;58(2):201. PMID: 33632969.
https://www.indianpediatrics.net/feb2021/201.pdfTritto M, Mirkin G, Hao X. Subungual Exostosis on the Right Hallux. J Am Podiatr Med Assoc. 2021 Dec 15;111(6). doi: 10.7547/20-209. PMID: 35294159.
https://japmaonline.org/view/journals/apms/111/6/20-209.xml