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When to Recommend a Peripheral Blood Smear to Patients with Congenital Ichthyosiform Erythroderma
Anissa Zaouak1, Ghaith Abdessalem2, Olfa Messaoud2
1Department of Dermatology, Habib Thameur Hospital, Tunis, Tunisia; anissa_zaouak@yahoo.fr.
Insights
This case study describes a 4-year-old boy with congenital ichthyosis, presenting as a collodion baby with generalized erythroderma and scaling. The findings highlight a rare presentation of ichthyosis with hepatomegaly.
Area of Science:
- Dermatology
- Genetics
- Pediatrics
Background:
- Congenital ichthyosis encompasses a group of rare genetic skin disorders characterized by abnormal keratinization.
- Early diagnosis and management are crucial for improving patient outcomes and quality of life.
Observation:
- A 4-year-old boy born from a consanguineous marriage presented with features of congenital ichthyosis, initially diagnosed as congenital ichthyosiform erythroderma.
- Clinical manifestations included generalized erythroderma with fine whitish scales, scalp and flexural involvement, and palmoplantar hyperlinearity.
- Abdominal examination revealed significant hepatomegaly, with the liver enlarged by 4 cm below the right costal margin.
Findings:
- The patient exhibited a collodion baby presentation at birth, progressing to generalized erythroderma and scaling.
- Physical examination confirmed fine, grayish-white scales on an erythematous background, affecting the scalp and flexural areas.
- Hepatomegaly was a notable finding, alongside normal neurological development and absence of muscular weakness.
Implications:
- This case underscores the importance of thorough physical examination in diagnosing congenital ichthyosis, including assessment for systemic involvement like hepatomegaly.
- Further research into the genetic basis and phenotypic variability of ichthyosis is warranted.
- Understanding the spectrum of congenital ichthyosis aids in accurate diagnosis and tailored patient management.
Abstract:
A 4-year-old boy born from a consanguineous marriage was referred to our department for congenital ichthyosis. He was a collodion baby at birth and progressively developed a generalized erythroderma with fine whitish scales covering his body. Initially, he was diagnosed as having congenital ichthyosiform erythroderma. Physical examination revealed fine white grayish scales with an erythematous background involving the scalp and flexural areas (Figure 1a). His palms and soles depicted hyperlinearity (Figure 1b). His hair, teeth, nails, and mucosa were normal. Abdominal examination revealed hepatomegaly, and the liver was enlarged by 4 cm below the right costal margin. He had a normal motor and mental development, and his neurologic examination was normal. There was no muscular weakness. (SKINmed. 2022;20:305-306).
