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- Title
When the diagnosis is written in the DNA: a case of erythropoietic protoporphyria in a patient with a chromosome-18 deletion.
- Authors
Rovaris, Sara; La Rosa, Giuseppe; Mezzana, Sara; Tonon, Francesco; Mori, Luigi; Monti, Eugenio; Mazzeo, Giuseppe; Calzavara-Pinton, Piergiacomo; Arisi, Mariachiara
- Abstract
In this case study, we describe a 21-year-old man with erythropoietic protoporphyria who sought medical attention in April 2022 for diffuse edema and erythema of the hands. These symptoms had been present since childhood and usually occurred soon after sun exposure. The patient's medical history showed that chromosome 18's long arm had partially deleted. We performed a number of tests, including measuring total erythrocyte protoporphyrin levels and utilizing a spectrofluorometer to assess the fluorometric emission peak of plasma porphyrins, based on the patient's medical history and clinical symptoms. Furthermore, a genetic analysis identified an intronic variant on one allele, c.315-48T>C (IVS3- 48T>C), which is categorized as a susceptibility polymorphism, and a complete deletion of the ferrochelatase gene on the other allele. The patient's clinical condition improved following the June 2022 afamelanotide implant procedure.
- Subjects
ERYTHROPOIETIC protoporphyria; SUNSHINE; GENETIC polymorphisms; DIAGNOSIS; DNA
- Publication
Dermatology Reports, 2024, Vol 16, Issue 2, p1
- ISSN
2036-7406
- Publication type
Case Study
- DOI
10.4081/dr.2023.9784