Background Drug reaction with eosinophilia and systemic symptoms (DRESS) is a severe adverse drug reaction generally accompanied by skin manifestations as the first and most frequent symptoms. However, skin manifestations and associated clinical features of DRESS have not been fully explored and evaluated.Objectives This study aimed to describe the skin manifestations of DRESS in detail and analyse their association with demographic characteristics and extra-cutaneous clinical features. MethodsWe conducted this retrospective study on patients with DRESS diagnosed between September 2009 and August 2021 at three medical institutes and validated using the RegiSCAR score. Data regarding demographics, skin manifestations and clinical characteristics were retrieved through thorough chart reviews.Results Among 182 potential cases of DRESS, the validated 125 cases were analysed. A widespread rash extending over more than 50% of the body surface area was observed in 122 patients (97.6%) and typical facial oedema was experienced by 67 patients (53.6%). Polymorphous maculopapules were the most common rash morphology (106, 84.8%): specifically, exfoliative (59, 47.2%), urticarial (57, 45.6%) and purpuric forms (39, 31.2%) were common. Mucosal involvement was observed in 41 patients (32.8%). Patients with carboxamide antiepileptics (carbamazepine and oxcarbazepine) experienced more oedema (P = 0.014) and typical facial oedema than those with allopurinol (P = 0.021). The RegiSCAR score was higher in patients with purpura (P < 0.01).Conclusions Skin manifestations of DRESS exhibit a wide range of skin lesions and can vary according to the culprit drugs. Early suspicion and prompt intervention are needed to improve prognosis.
fact, these skin reactions would suggest a hemosiderin pigmentation but resolves too rapidly to be explained as such. Therefore, another mechanism was proposed, which is local capillary leakage due to the vaccination and some type of immunologic reactions located in the dermis/epidermis junction. 1 However, despite the benign character and the harmless evolution of this side effect of the vaccines, its understanding is important to avoid unnecessary investigations and reassure the patient.
more than half of the world's population has received SARS-CoV-2 vaccines. Before authorization, clinical trials had reported the short-term safety and adverse events after administration of the primary series. 1 However, real-world data revealed unexpected various cutaneous manifestations. 2 Here, we report a case of severe Sweet syndrome (SS) following BNT162b2 (Pfizer-BioNTech) vaccination.A 60-year-old man presented with a two-week history of sudden painful erythematous nodular eruption on the face, trunk, and limbs, which occurred within 2 weeks of the first SARS-CoV-2 vaccination.The patient had mild cytopenia with a leukocyte count ranging from 1.54 to 2.91 Â 10 3 /μl for 10 years and had been taking complete blood counts annually without bone marrow biopsy. He was on metformin, sitagliptin, and gliclazide and denied a history of new medica-
Background Evidence for the association between psoriasis and uveitis according to the severity of psoriasis including psoriatic arthritis (PsA) and type of uveitis is lacking, and there are no data on the frequency or timing of recurrence of uveitis in patients with psoriasis. Objectives We aimed to evaluate the risk of first occurrence and recurrence of uveitis in patients with psoriasis in the Korean population. We further evaluated the risk of uveitis according to the severity of psoriasis, comorbidity of PsA and location of uveitis. Methods In a nationwide retrospective cohort study, we compared 317,940 adult patients who had psoriasis with 635,880 matched controls. Incidence rates (IRs) and estimated IR ratios of the first occurrence and recurrence of uveitis were calculated using survival analysis and Poisson regression, respectively. Results The rate of uveitis incidence and uveitis recurrence in patients with psoriasis was 1.18 and 2.31 per 1000 person‐years, respectively. Compared to the controls, the IR ratios of development and recurrence of uveitis in patients with psoriasis were 1.14 (95% CI 1.08, 1.2) and 1.16 (95% CI 1.12, 1.21), respectively. The recurrence rate of uveitis was highest within 3 years after the onset of psoriasis. The corresponding IR ratios for uveitis recurrence in patients with mild psoriasis, severe psoriasis and PsA were 1.11 (1.06, 1.16), 1.24 (1.16, 1.33) and 1.49 (1.31, 1.7), respectively. Patients with psoriasis had an increased risk of recurrence of anterior uveitis, and patients with both psoriasis and PsA had an increased risk of recurrence of both anterior‐uveitis and panuveitis. Conclusions Patients with psoriasis had a higher risk of both development and recurrence of uveitis, especially with severe psoriasis and PsA. The timing of uveitis recurrence was related to the onset of psoriasis, and patients who had psoriasis with PsA had an increased risk of vision‐threatening panuveitis.
Pustulotic arthro‐osteitis (PAO) has been studied primarily in Japan. However, there is a lack of research regarding its clinical features among large populations in other countries and it is often believed to be similar to psoriatic arthritis (PsA). Although the association between psoriasis (PsO) and palmoplantar pustulosis (PPP) is debatable, differences in the clinical characteristics between PsA and PAO might support the notion that PsO and PPP are distinct entities. This study aimed to investigate the clinical characteristics of PAO in Korean patients and to compare them with those of PsA. We retrospectively reviewed the medical records of patients diagnosed with PPP, PAO, and PsA. Among 266 patients with PPP, 13.2% had PAO. Unlike Japanese patients with PAO, Korean patients had a relatively lower involvement of the chest wall. PAO patients demonstrated lower age of onset, higher proportion of females, and higher severity of cutaneous eruptions compared to PPP patients without PAO, but the differences were not statistically significant. Female predominance was prominent in PAO compared to PsA. Cutaneous eruptions occurred earlier than joint symptoms in 83.5% of the patients with PsA and in 42.9% of the patients with PAO. PAO involved axial joints more frequently compared to PsA, especially the chest wall and spine. PsA mainly involved the peripheral joints, especially the metacarpophalangeal joints and distal interphalangeal joints of the hands and feet. In conclusion, PAO and PsA exhibited different demographics and locations of joint involvement, supporting the notion that PPP and PsO are separate disorders. Many PAO patients presented with joint symptoms before the appearance of skin eruptions, underlining the important role of dermatologists in recognizing PAO among PPP patients. Physicians should be aware of the characteristics of PAO while treating patients with PPP.
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