Psoriasis is a chronic inflammatory disease affecting the skin, nails, and joints. About 61% of psoriatic patients have nail involvement that can cause a significant social problem. Treating nail psoriasis is challenging but can improve the health outcomes and quality of life of patients. Treatment options available for nail psoriasis including topical therapy, intralesional injections, and systemic and biologic agents have various side effects and some benefits. Management is currently inconclusive. Intralesional injection of methotrexate in nail psoriasis was previously documented in few cases. We present a case of nail psoriasis successfully treated with low-dose intralesional methotrexate with no significant side effects in a 48-year-old psoriatic patient. Given the various side effects of conventional topical and systemic therapies limiting their use, we conclude that intralesional methotrexate injection seems to be a safe and effective treatment option for nail psoriasis. However, large controlled studies are needed.
With more and more extreme premature and very low-birth weight babies being resuscitated, umbilical central venous catheterisation is now being used more frequently in neonatal intensive care. One of the life-threatening complications is pericardial effusion and cardiac tamponade; however, it is potentially reversible when it is caught in time. The authors present a case of cardiac tamponade following umbilical venous catheterisation in a neonate. The patient was diagnosed at the appropriate time by echocardiography and urgent pericardiocentesis proved lifesaving.
K E Y W O R D S : acute generalized exanthematous pustulosis, case report, disperse dyes, occupational dermatitis Acute generalized exanthematous pustulosis (AGEP) is a severe eruption characterized by numerous non-follicular sterile pustules on an erythematous background. AGEP is mostly caused by systemic drugs, mainly antibiotics. Other causes of AGEP, such as contact with mercury, spider bites, and viral infections, have been described. 1 Disperse dyes (DDs) in textiles are frequent causes of contact dermatitis, 2 but have never been reported as being responsible for AGEP. Here, we report the first case of AGEP caused by textile DDs. CASE REPORTA 23-year-old woman with no medical history of interest presented to our dermatology department with non-follicular pustules on oedematous erythema, particularly on her face, trunk, intertriginous areas, and extremities. She had also fever and neutrophilia (16 000/ mm 3 ). No bacteria or fungi were cultured from the pustules. Serological tests gave negative results. Skin biopsy showed subcorneal pustules associated with epidermal spongiosis. Our patient was diagnosed with AGEP according to the EuroSCAR group criteria (score of 11/12, certain) 1 but no evident aetiology was found (eg, drugs or mercury). She was treated with topical clobetasol, and the skin lesions vanished within 4 days. However, as soon as she returned to her work as a textile factory worker, she suffered a relapse within 1 day on the first occasion, and another relapse within 3 hours on the second occasion, with spontaneous rapid healing after being hospitalized. Patch testing was performed with Finn Chambers on Scanpor tape, with the European baseline series and a textile dyes series AMEUR ET AL. 411 (Chemotechnique Diagnostics, Vellinge, Sweden). The occlusion time was 2 days, and reactions were evaluated on day (D) 2 and D3 according to ICDRG guidelines. The results showed positive reactions to Disperse Red 17 (+/++), Disperse Blue 3 (+/++), 4-aminophenol (+/++), 4-aminoazobenzene (+/++), and Disperse Blue mix (+/++). Thus, a diagnosis of occupational AGEP caused by DDs was indicated. To date, 7 years after the patient left her job, no clinical relapse has been observed. DISCUSSIONAccording to the score of the EuroSCAR group criteria, the diagnosis of AGEP in our patient was certain. 1 Work-related AGEP was suspected, and relapse after resumption of work can be considered to be a positive provocation test. The responsibility of DDs was confirmed by patch testing. DDs are the most prevalent causes of textile-related allergic contact dermatitis, 2 but have never been reported as a cause of AGEP.Sener et al reported a case of AGEP resulting from the oral use of blue dyes after consumption of methylene blue and indigotin. 3 A topical agent can exceptionally cause AGEP, 4 but the mechanism is still unknown. However, systemic delivery is very likely. In fact, DDs do not adhere well to fabric, so a relatively large amount of the dye is released from the fabric and absorbed into the skin.
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