If you have an infected epidermoid cyst lurking in your belly button, it will probably look red, feel painful, and may have a smelly yellow or green discharge, Dr. Kaminska says.

Source Reference: Winge MCG, et al "Repurposing an epithelial sodium channel inhibitor as a therapy for murine and human skin inflammation" Sci Transl Med 2024; DOI: 10.1126/scitranslmed.ade5915.

What's Your Diagnosis Published: May 2007 Diagnosis | Interdigital cyst Lab Animal 36, 18–19 (2007) Cite this article ...

Peter J. Lynch, MD; Micheline Moyal-Barracco, MD; James Scurry, MD; Colleen Stockdale, MD Disclosures J Low Genit Tract Dis. 2012;16 (4):339-344.

Even if the cyst goes away, there is still a possibility that the baby does have trisomy 18. Choroid plexus cysts almost always resolve in infants, even if the chromosomal anomaly exists.

But at some point, you may notice a lump on or near your perineum. Sometimes it’s expected, such as when you’re pregnant, and the perineum becomes swollen or painful near the end of the pregnancy.

Possible causes of testicular lumps include cysts, varicoceles, testicular torsion, and more. In rare cases, lumps on testicles can be a sign of testicular cancer. The majority of lumps found in ...

They may be able to drain the cyst properly or use a steroid injection to help reduce the inflammation. If the cyst worsens after using home remedies, speak with a doctor or dermatologist right away.

The modulation of epidermal differentiation by retinoids led to its use in premalignant lesions, such as actinic keratoses (Verschoore et al., 1993).

They get smaller as you get better. But tell a doctor if they’re swollen for 2 weeks or more, feel hard, grow fast, are close to your collarbone, or the skin over them is red.