Lichen planus (LP) is rare in children. A review of the literature reveals that it has some peculiarities with respect to sex, localization, clinical aspect, race, and family history. We present an Indian child with the documented peculiarities of infantile LP. A comparison of LP and graft-versus-host disease points to the importance of thymic involution in the pathogenesis of the former, which could explain the rarity of this disorder in infants.
Heavy reversible proteinuria induced by antihypertensive treatment with low doses of captopril has recently been reported by our group in psoriatic patients. To ascertain whether an increased permeability of the glomerular basal membrane of psoriatics can lead to an enhanced urinary excretion of albumin independently from the presence or absence of coexisting diabetes or hypertension, the latter parameter was measured in 39 patients affected by diffuse psoriasis. A high prevalence of microalbuminuria was observed in diabetic and hypertensive psoriatics. Moreover, a direct correlation was found between the diastolic blood pressure (BP) values and the urinary excretion of albumin in the entire group of psoriatics, thus suggesting systemic hypertension as one of the factors responsible for proteinuria in these patients. However, more than 50% of normotensive psoriatics showed an enhanced excretion of albumin. Since microalbuminuria has been indicated as a reliable index to predict the development of renal impairment, the finding of an enhanced albumin loss in psoriatics represents a further risk factor in these patients, who are particularly susceptible to experience cardiovascular complications.
It is believed that this patient developed imatinib-induced OLE; this relationship with therapy rather than the underlying disease rules out a paraneoplastic reaction, and negative immunofluorescence excluded autoimmune dermatosis. In addition, we propose that these lesions are correlated with abnormal expression of some cytokeratins directly caused by this drug.
For a correct diagnosis of cutaneous infection by NTM, demonstrating the presence of mycobacteria is essential; routinely available techniques lack sensitivity and are extremely tedious; often mycobacteria are not seen after acid-fast stain. We used PCR-PCA to identify mycobacteria grown in liquid media; the time of identification of mycobacteria was shortened relative to conventional methods.
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