Facial pustules due to drug-induced hypersensitivity syndrome/drug reaction with eosinophilia and systemic symptoms may histopathologically mimic eosinophilic pustular folliculitis: A case report. | LitMetric
Pustules with facial and/or neck edema is one characteristic feature of drug-induced hypersensitivity syndrome/drug reaction with eosinophilia and systemic symptoms (DIHS/DRESS) at the early stage. Although several retrospective histopathologic studies on DIHS/DRESS have been reported, the detailed histopathologic findings of facial pustules for DIHS/DRESS are unavailable. We herein report a case of DIHS/DRESS with facial pustules that was histopathologically similar to eosinophilic pustular folliculitis (EPF). Eosinophilic infiltration into expanded follicles and sebaceous glands, which is highly characteristic of EPF, was detected in pustules due to DIHS/DRESS in this case. There are numerous pathophysiological similarities between DIHS/DRESS and EPF, which may cause their histopathologic similarity. Our findings suggest that facial pustules of DIHS/DRESS may histopathologically mimic EPF.
Acne vulgaris is a chronic inflammatory disease of the hair follicle-sebaceous gland unit and is the most common skin disorder worldwide. Although it can occur at any age, it predominantly affects young individuals, manifesting as comedones, papules, pustules, cysts, and nodules, primarily in the sebaceous-rich areas of the face, often in a symmetrical distribution. The development of acne vulgaris is believed to result from a combination of genetic and environmental factors, including sun exposure, skincare habits, diet, sleep patterns, and psychological stress, all of which can induce or exacerbate the condition.
Epidermal growth factor receptor inhibitors (EGFRi) are approved for treating various cancers. Given that EGFR signaling is crucial for normal skin growth and repair, inhibiting this pathway can disrupt skin homeostasis and integrity. Although generally well tolerated, molecularly targeted therapies can lead to skin-related adverse effects that significantly impact patients' quality of life, often resulting in treatment interruptions.
Introduction: Rosacea is a chronic inflammatory disease presenting with facial flushing, non-transient erythema, papules/pustules, telangiectasia, and phymatous changes. Secondary manifestations, such as itching, burning, or stinging, are often observed in patients with rosacea. The pathogenesis of rosacea is not fully understood, but immune dysfunction, Demodex infection, neurovascular dysregulation, and exposure to ultraviolet radiation represent contributing factors.
Acne vulgaris is a prevalent chronic skin condition characterized by the presence of comedones, papules, and pustules on the face, neck, and chest. To simulate the inflammation of acne vulgaris, this protocol details an approach to establish a compound acne rodent model by inducing acne inflammation in rat ears using oleic acid and Cutibacterium acnes (C. acnes).
Service de chirurgie plastique, reconstructrice et esthétique, hôpital de la Croix-Rousse, hospices civils de Lyon, 103, grande rue de la Croix-Rousse, 69004 Lyon, France; Faculté de médecine Lyon Est, université Claude-Bernard Lyon 1, 8, avenue Rockefeller, 69003 Lyon, France.
Hyaluronic acid (HA) non-surgical procedures are increasingly popular, with approximately 5.6 million performed annually by plastic surgeons worldwide. These treatments effectively address signs of aging in the forehead and nasofrontal areas but come with risks such as bruising, swelling, infections, inflammation, granulomas, skin necrosis, and vascular obstructions.
