A Subcutaneous Nodule With a Central Punctum on the ThighA Subcutaneous Nodule With a Central Punctum on the Thigh—CaseA Subcutaneous Nodule With a Central Punctum on the Thigh—Diagnosis

A man in his 70s presented with a subcutaneous nodule with a central punctum on the left thigh and a dermal keratinizing cyst in continuity with the overlying epidermis. What is your diagnosis?

Corresponding Author: Mitsuhito Ota, MD, PhD, Department of Dermatology, Chitose City Hospital, Hokkou 2, Chitose 066-8550, Japan (ota@med.hokudai.ac.jp).

Link to the article in your story

We encourage you to link out to this article in your story using the link below. It includes an access token that will give free access to the article for your readers up to one year after publication. (The link will be live after the article publishes and embargo is lifted.)

Please see the article for additional information, including full author list, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

Need more information? Contact us.