What is it about?
Terra firma-forme dermatosis (TFFD), also known as Duncan’s dirty dermatosis, may mimic a variety of hyperpigmented dermatoses including dermatosis neglecta, dirty neck syndrome, and acanthosis nigricans. Herein, we report a TFFD case of a 5-year-old girl who had a medical history of atopic dermatitis and presented with a hyperpigmented, dirty-appearing neck rash that was refractory to frequent moisturizer application. We successfully cleared the lesions after rubbing with 70% isopropyl alcohol. We propose a simple diagnostic algorithm to differentiate these three similar hyperpigmented dermatoses.
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Why is it important?
In our paper, we discuss a case of Terra firma-forme dermatosis in a young girl, highlighting its resemblance to other hyperpigmented conditions. We also introduce a straightforward diagnostic algorithm to help differentiate TFFD from similar dermatoses, which we hope will aid in clinical practice. We invite you to read our findings and share your thoughts!
Read the Original
This page is a summary of: Terra firma-forme dermatosis, Cosmoderma, January 2025, Scientific Scholar,
DOI: 10.25259/csdm_182_2024.
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