Satoyoshi syndrome is a rare multisystemic disorder characterized by alopecia, diarrhea, muscle spasms, osseous abnormalities, and endocrinopathies. We report a case of Satoyoshi syndrome misdiagnosed as vitamin D-dependent rickets for several years.

EditorVitiligo is a common dermatologic condition that affects 1% of the population worldwide, with no sexual predilection. Several co-morbidities have been described in association with this disorder: thyroidopathies, pernicious anaemia, diabetes, etc. 1 However, no cardiovascular (CV) risk profile has been related so far. Several studies have analysed the relationship between other common dermatological conditions like psoriasis, lichen planus (LP) or androgenetic alopecia and CV disease or metabolic syndrome, showing a possible association 2-5 based on a convergent mechanism of T-cell mediated chronic inflammation in cutaneous conditions, atherosclerosis or dyslipemia. 6,7

Background: Vitiligo has been associated with multiple endocrine and immune conditions. Several laboratory tests have been assessed in this disease with controversial results. Objective: The aim of this study is to analyze the levels autoantibodies, basal glycaemia, vitamin B12, folic acid and thyroid function and its association with the diagnosis and outcome of vitiligo patients through a case-control study. Material and methods: This case-control study was performed on 196 consecutive patients with vitiligo referred to our Dermatology Department. As a control group, 160 healthy individuals without vitiligo or known history of immunologic/endocrine disease were included. Data were analyzed using the SPSS 17.0 statistical software package. Results: Clinical, analytical and demographic data have been recorded. Our results showed that anti-thyroid peroxidase antibody and anti-parietal gastric cell antibody could be useful laboratory markers in a subpopulation of vitiligo patients. However, testing anti-nuclear antibody, anti-thyroglobulin antibody, folic acid and vitamin B12 seems to have limited clinical implication and diagnostic relevance in our routine clinical practice. Limitations: This study addressed a selected population of vitiligo patients in Spain and may not generalize to different clinical settings or regions. The study of a wider sample would confirm these findings and allow a detailed analysis of the above factors as a function of the clinical subtype of vitiligo. Conclusion: We have determined the more efficient serological markers to order in vitiligo patients. Our findings suggest that anti-thyroid peroxidase antibody and anti-parietal gastric cell could be useful tests for the characterization of specific subpopulations of vitiligo patients in terms of severity and co-morbidity, so their determination could have a prognostic value.

Delusional parasitosis is characterized by a patient’s fixed false belief of being infested with parasites or small creatures. The first-line treatment options are typical antipsychotics such as pimozide. However, the accompanying extrapyramidal side effects might limit their use. We report on a patient with a good response to pimozide combined with ziprasidone. Ziprasidone is an atypical antipsychotic drug with a lower risk of extrapyramidal symptoms; thus, it might be considered a good first or second treatment option for delusional parasitosis.

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Melanoma involving the conjunctiva is extremely rare. Graver prognosis has been reported with primary conjunctival melanoma than with their cutaneous counterparts [Collin et al.: Aust N Z J Ophthalmol 1986;14:29–34]. Among conjunctival melanomas, two significant risk factors for tumour-related death have been identified: (i) age older than 55 years and (ii) unfavourable tumour location (caruncle, cornea, fornix, palpebral conjunctiva) [Werschnik and Lommatzsch: Am J Clin Oncol 2002;25:248–255]. Here we present a rare case of lentigo maligna involving the palpebral, bulbar conjunctiva and the caruncle. We describe dermoscopic patterns observed and the use of a novel ocular melanoma therapy with topical imiquimod.

Vitiligo is the most common depigmenting disorder, with a worldwide occurrence of 0.1–2% in the general population. Multiple conditions have been described colocalized in vitiligo patches, like psoriasis or lichen planus. However, actinic granuloma has not been described in association with vitiligo lesions so far.