Derm In-Review > Mnemonic Monday

It’s Mnemonic Monday! Painful Skin Tumors

On this Mnemonic Monday, we challenge you to remember painful skin tumors with the following mnemonic:


Blue rubber bleb
Eccrine spiradenoma
Granular cell tumor
Glomus tumor

Click HERE to print your mnemonic card.


Study More!

Need a refresher on cutaneous tumors? Check out the following pages of your 2020 Derm In-Review Study Guide: 194-198, 377-378, 395-396, 380-381, 379,

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Further Reading

Check out the following case report published in the Journal of Drugs in Dermatology (JDD):

Subungual Leiyomyoma Presenting as Erythronychia: Case Report and Review of the Literature


We report a rare case of leiomyoma of the fingernail in a 59-year-old woman. She presented with red discoloration, lifting, and distal splitting of her left 2nd fingernail for several months. She reported sensitivity at baseline which became more painful in the cold. Histopathology sections from the nail matrix biopsy specimen showed a dermal proliferation of bland appearing spindle shaped cells with elongated, blunt ended nuclei (SMA and caldesmon positive), arranged in fascicles, which is typical of leiomyomas. Interestingly, our patient had a history of uterine leiomyoma, requiring hysterectomy. To our knowledge, this case is the first report in which a subungual leiomyoma is associated with another leiomyoma in the same patient. Read the full case report here.

J Drugs Dermatol. 2019;18(5):465-467.

Test your knowledge!

A patient with a blue-red discoloration of the nail plate reports that the same finger becomes very tender when exposed to the cold. You suspect a:

A: Periungual verruca

B: Glomus tumor

C: Pterygium

D: Mucous cyst

E: Pyogenic granuloma

To find out the correct answer and read the explanation, click here.

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