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Follicular Lesions in Pediatric Dermatology: A Comprehensive Review and Approach Based on Clinical, Dermoscopic, and
Shreya K Gowda1, Rahul Mahajan2, Maitreyee Panda3
1Department of Dermatology and Venereology, All India Institute of Medical Sciences, Bhubaneshwar, Odisha, India.
Insights
Pediatric follicular papules encompass diverse conditions, requiring accurate diagnosis for effective management. This review guides clinicians through diagnosis and treatment of these common childhood skin conditions.
Area of Science:
- Dermatology
- Pediatrics
- Pathology
Background:
- Follicular papules are common in pediatric dermatology, presenting a diagnostic challenge due to their heterogeneous origins.
- These papules can stem from infectious, inflammatory, genetic, nutritional, autoimmune, or environmental factors.
- Accurate diagnosis is crucial for appropriate management and alleviating patient/parental anxiety.
Purpose of the Study:
- To provide a comprehensive overview of pediatric follicular papules.
- To guide clinicians in diagnosing and managing these conditions based on clinical presentation and diagnostic tools.
- To review current treatment options and disease courses.
Main Methods:
- Review of literature on pediatric follicular papules.
- Emphasis on diagnostic approaches including history, clinical examination (morphology, distribution), dermoscopy, and histopathology.
- Discussion of various etiological categories and their clinical manifestations.
Main Results:
- Categorization of follicular papules based on etiology (inflammatory, nutritional, autoimmune, infectious, genetic, etc.).
- Detailed description of diagnostic criteria and differential diagnoses for common pediatric follicular papules.
- Overview of treatment strategies tailored to specific conditions.
Conclusions:
- A systematic approach integrating clinical findings, dermoscopy, and pathology is essential for diagnosing pediatric follicular papules.
- Timely and accurate diagnosis leads to improved patient outcomes and reduced disease burden.
- This review serves as a valuable resource for clinicians managing pediatric patients with follicular papules.
Abstract:
Pediatric dermatoses presenting as follicular papules are common entities encountered in clinical practice. These are a heterogeneous group of disorders of infectious or noninfectious origin that commonly present as regularly spaced, small papules with or without perifollicular inflammation. Inflammatory causes include follicular eczema, pityriasis rubra pilaris, lichen nitidus, follicular seborrheic dermatitis, keratosis pilaris and its variants, keratosis circumscripta, follicular psoriasis, lichen spinulosus, follicular lichen planus, follicular mucinosis, perforating folliculitis, follicular porokeratosis, and follicular dermographism. These conditions may arise due to filaggrin mutations, keratinization defects, autoimmunity, or microbial triggers. Nutritional causes include phrynoderma and scurvy, while connective tissue diseases such as dermatomyositis and chronic cutaneous lupus erythematosus are autoimmune. Additional categories include infectious, genetic, hormonal, environmental, frictional, malignant, nevus-related, iatrogenic, and idiopathic entities. An early and accurate diagnosis is essential for proper management and reducing disease-associated apprehension in children and/or their parents. This review attempts to describe the role of history taking and clinical examination, including morphology, location, pattern of distribution, and associated features, while dealing with a child with follicular-based papules. In addition, it delineates the role of dermoscopy and pathological examination in reaching a correct diagnosis. Furthermore, it describes the available treatment options and disease course of various follicle-based dermatoses.
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