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We describe the detection of Paranannizziopsis sp. fungus in a wild population of vipers in Europe. Fungal infections were severe, and 1 animal likely died from infection. Surveillance efforts are needed to better understand the threat of this pathogen to snake conservation.
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Micoses , Viperidae , Animais , Europa (Continente)/epidemiologia , Micoses/epidemiologia , Micoses/microbiologia , Micoses/veterinária , Animais Selvagens/microbiologiaRESUMO
Linear IgA bullous dermatosis (LABD) and dermatitis herpetiformis (DH) represent the major subtypes of IgA mediated autoimmune bullous disorders. We sought to understand the disease etiology by using serum proteomics. We assessed 92 organ damage biomarkers in LABD, DH, and healthy controls using the Olink high-throughput proteomics. The positive proteomic serum biomarkers were used to correlate with clinical features and HLA type. Targeted proteomic analysis of IgA deposition bullous disorders vs. controls showed elevated biomarkers. Further clustering and enrichment analyses identified distinct clusters between LABD and DH, highlighting the involvement of nicotinamide adenine dinucleotide phosphate (NADPH) oxidase. Comparative analysis revealed biomarkers with distinction between LABD and DH and validated in the skin lesion. Finally, qualitative correlation analysis with DEPs suggested six biomarkers (NBN, NCF2, CAPG, FES, BID, and PXN) have better prognosis in DH patients. These findings provide potential biomarkers to differentiate the disease subtype of IgA deposition bullous disease.
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Biomarcadores , Dermatite Herpetiforme , Dermatose Linear Bolhosa por IgA , Proteoma , Humanos , Dermatite Herpetiforme/sangue , Dermatite Herpetiforme/diagnóstico , Dermatite Herpetiforme/imunologia , Biomarcadores/sangue , Feminino , Masculino , Adulto , Dermatose Linear Bolhosa por IgA/sangue , Dermatose Linear Bolhosa por IgA/diagnóstico , Pessoa de Meia-Idade , Diagnóstico Diferencial , Proteômica/métodos , Imunoglobulina A/sangue , Adolescente , Adulto Jovem , Idoso , CriançaRESUMO
Limited data exist on the factors associated with hospitalization and mortality in Asian inpatients with autoimmune bullous dermatoses (AIBDs). This study aimed to elucidate the risk factors affecting hospitalization and mortality rates in Asian patients with AIBDs. A retrospective analysis of patients with AIBDs treated at Siriraj Hospital during a 17-year period was performed using the International Classification of Diseases 10th revision codes. The characteristics of inpatients and outpatients were compared, and mortality rates and associated factors were identified. The study included 360 AIBD patients (180 inpatients, 180 outpatients). Inpatients were significantly younger than outpatients. The identified risk factors for hospitalization were malignancy (odds ratio [OR] 2.83, 95% confidence interval [CI] 1.13-8.04; p = 0.034), moderate to severe disease (OR 2.52, 95% CI 1.49-4.34; p < 0.001), systemic corticosteroid use ≥15 mg/day (OR 2.27, 95% CI 1.21-4.41; p = 0.013) and oral cyclophosphamide treatment (OR 9.88, 95% CI 3.82-33.7; p < 0.001). Kaplan-Meier analysis revealed mortality rates of 26%, 36% and 39% for inpatients with pemphigus at 1, 3 and 5 years, respectively. For inpatients with pemphigoid, the corresponding rates were 28%, 38% and 47%. Infections, particularly pneumonia, were the predominant cause of death in both conditions. This study confirmed that both Asian ethnicity and healthcare disparities may be correlated with adverse outcomes in patients with AIBDs. Pemphigus mortality rates were substantially greater in Asian patients than in Caucasian patients. Continuous monitoring of factors contributing to hospitalization and mortality is imperative to improve treatment outcomes.
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Povo Asiático , Doenças Autoimunes , Hospitalização , Dermatopatias Vesiculobolhosas , Humanos , Estudos Retrospectivos , Feminino , Masculino , Pessoa de Meia-Idade , Idoso , Dermatopatias Vesiculobolhosas/tratamento farmacológico , Dermatopatias Vesiculobolhosas/mortalidade , Doenças Autoimunes/mortalidade , Doenças Autoimunes/tratamento farmacológico , Adulto , Fatores de Risco , Ciclofosfamida/uso terapêutico , Idoso de 80 Anos ou mais , Corticosteroides/uso terapêutico , Imunossupressores/uso terapêutico , Neoplasias/mortalidade , Adulto Jovem , Estimativa de Kaplan-Meier , Fatores EtáriosRESUMO
Ferroptosis is a novel type of cell death that is dependent on lipid peroxidation and iron accumulation, which distinguishes it from other types of programmed cell death. Current research indicates a significant association between ferroptosis and various pathological conditions, including cancer, neurological disorders, and cardiovascular diseases, albeit with a relatively unexplored role in dermatological afflictions. This paper elaborates on the mechanisms and signalling pathways of ferroptosis, summarizing the recent studies on ferroptosis and its related factors in dermatosis. Our objective is to shed light on novel perspectives and therapeutic strategies for dermatosis, enhancing the understanding of this under-researched area through this comprehensive review.
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Ferroptose , Transdução de Sinais , Dermatopatias , Ferroptose/fisiologia , Humanos , Dermatopatias/metabolismo , Ferro/metabolismo , Peroxidação de Lipídeos , AnimaisRESUMO
Frequent itching and incessant scratching are commonly observed in various chronic inflammatory skin conditions, including atopic dermatitis and psoriasis. The persistent and prolonged nature of pruritus can worsen one's quality of life. Keratinocytes (KCs), the predominant cells of the epidermis, have been confirmed to interact with sensory neurons and immune cells and be involved in chronic skin inflammatory diseases associated with pruritus. Initially, KCs and sensory neurons form a unique synapse-like connection within the epidermis, serving as the structural foundation for their interaction. Additionally, several receptors, including toll-like receptors and protease-activated receptor 2, expressed on KCs, become activated in an inflammatory milieu. On the one hand, activated KCs are sources of pro-inflammatory cytokines and neurotrophic factors, such as adenosine triphosphate, thymic stromal lymphopoietin, and nerve growth factor, which directly or indirectly participate in stimulating sensory neurons, thereby contributing to the itch sensations. On the other hand, KCs also function as primary transducers alongside intraepidermal nerve endings, directly initiating pruritic responses. This review summarizes the current literature and highlights the critical role of KCs in the development and persistence of chronic itch in inflammatory skin disorders.
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Queratinócitos , Prurido , Humanos , Prurido/etiologia , Prurido/fisiopatologia , Queratinócitos/metabolismo , Doença Crônica , Células Receptoras Sensoriais/metabolismo , Células Receptoras Sensoriais/fisiologia , Dermatite Atópica/complicações , Animais , Citocinas/metabolismo , Psoríase/complicaçõesRESUMO
BACKGROUND: Psoriasis is an inflammatory skin disease driven by upregulation of cytokines in the Th17 pathway, including interleukin-36 (IL-36). Previous studies have highlighted the utility of IL-36 immunostaining for psoriasis compared to spongiotic dermatitis and other psoriasiform dermatoses; however, no study has examined the role of IL-36 staining in distinguishing psoriasis from pityriasis rosea (PR) and pityriasis lichenoides (PL), known histologic mimickers of psoriasis. METHODS: We compared the immunostaining pattern of IL-36 for 21 PR cases, 22 PL cases, and 10 psoriasis cases. We graded the immunostaining as 0, negative; 1, focal weak; 2, diffuse weak; 3, focal, strong; or 4, diffuse strong. We further categorized stains as negative (0-2 score) or positive (3-4 score) and utilized Fisher's exact test to compare the immunostaining pattern of these entities. RESULTS: All psoriasis specimens were positive for IL-36, whereas all PR specimens were negative (p = 0.00000002). Twenty PL specimens were negative (p = 0.000001). Nine of 10 pityriasis lichenoides et varioliformis acuta cases were negative (p = 0.00012), and 11 of 12 cases of pityriasis lichenoides chronica were negative (p = 0.00003). CONCLUSIONS: Our findings highlight the potential role of IL-36 immunostaining in distinguishing psoriasis from other psoriasiform dermatoses, including PR and PL.
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Imuno-Histoquímica , Interleucina-1 , Pitiríase Liquenoide , Pitiríase Rósea , Psoríase , Humanos , Pitiríase Liquenoide/diagnóstico , Pitiríase Liquenoide/patologia , Pitiríase Liquenoide/metabolismo , Psoríase/diagnóstico , Psoríase/metabolismo , Psoríase/patologia , Pitiríase Rósea/diagnóstico , Pitiríase Rósea/patologia , Pitiríase Rósea/metabolismo , Diagnóstico Diferencial , Interleucina-1/metabolismo , Imuno-Histoquímica/métodos , Masculino , Feminino , Adulto , Pessoa de Meia-IdadeRESUMO
BACKGROUND: Pigmented purpuric dermatosis (PPD) is characterized by grouped petechiae, purpuric macules, and pigmentation in the bilateral lower extremities. It runs a chronic and relapsing course. Pathophysiology is poorly understood, but it has been proposed to be an immune-complex disease or capillaritis. This study aimed to determine the incidence and patterns of positive direct immunofluorescence (DIF) findings in patients with clinically and histopathologically confirmed PPD. The association between DIF deposition type and clinical profile was also analyzed. METHODS: Patients with a clinical and histopathologic PPD diagnosis who had undergone DIF studies at a tertiary medical center with attached dermatopathology and immunofluorescence diagnostic centers between January 2002 and December 2021 were included in this study. Data on age, sex, disease duration, comorbidities, and drug intake were collected from medical records. RESULTS: There were 65 patients who satisfied the inclusion criteria. Among them, 58 (89%) had at least one positive finding and 53 (82%) were vascular deposition of immunoglobulin (Ig), complement, or fibrinogen. The most common vascular deposition was fibrinogen (71%) followed by C3 (62%), IgM (18%), IgA (6%), and IgG (3%). Fibrinogen deposition was associated with hypertension (p < 0.03). There was no association between vascular DIF deposition of IgG, IgA, and C3, with age, sex, comorbidities, disease duration, and drug history. CONCLUSION: The most common DIF findings in PPD were vascular deposition of fibrinogen and C3, with or without Ig presence. DIF findings supported a vascular origin in PPD but not an immune complex-mediated disease. Hypertension was associated with fibrinogen deposition and may play a role in its pathophysiology.
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Hipertensão , Púrpura , Dermatopatias Vasculares , Humanos , Estudos Retrospectivos , Técnica Direta de Fluorescência para Anticorpo , Fibrinogênio/análise , Imunoglobulina A , Imunoglobulina GRESUMO
INTRODUCTION: Neutrophilic dermatoses (NDs) often occur secondary to inflammatory conditions, medication exposure, and hematologic malignancy. While malignancy-associated NDs (MA-NDs) have been well reported among those with hematologic cancers, little is known about drug-induced NDs (DI-NDs) within this population. The objective of this study was to compare the presentations and outcomes of patients with hematologic malignancies who developed MA-NDs and DI-NDs. METHODS: Cases of ND occurring between 2013 and 2023 among those with hematologic malignancies were identified from the electronic medical records of our institution. Patient characteristics, recent medication exposures, cancer mutations, and disease outcomes were reviewed. Patients were categorized with DI-ND if they were recently exposed to one of four medications known to be commonly associated with ND or were otherwise categorized with MA-ND. We report a descriptive analysis of cases of DI-ND and MA-ND. RESULTS: We identified 52 patients with ND and co-occurring hematologic malignancy including 16 cases of DI-ND (30.8%) and 36 cases of MA-ND (69.2%). The most common ND in both groups was Sweet's syndrome. Chronic underlying conditions including solid tumors, inflammatory disorders, chronic viral infection, and tobacco use were more common among those with MA-ND. Among those with DI-ND, tyrosine kinase inhibitors were the most commonly associated drugs (43.8%). The most common cancer mutation among those with DI-ND was FLT3 (43.8%), while the most common mutation among those with MA-ND was TP-53 (19.4%). Among those who had died at the time of data collection, 90.0% of those with DI-ND and 66.7% of those with MA-ND died within 1 year of ND diagnosis. CONCLUSION: Most cases of ND occurring with hematologic malignancies develop secondary to cancer rather than drug exposure. Different cancer mutations may predispose to DI-ND and MA-ND. Further research is needed to establish diagnostic criteria for DI-ND and to determine the pathogenic role of specific cancer mutations, particularly FLT3, in the development of ND.
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Neoplasias Hematológicas , Síndrome de Sweet , Humanos , Neoplasias Hematológicas/complicações , Feminino , Masculino , Pessoa de Meia-Idade , Idoso , Síndrome de Sweet/epidemiologia , Estudos Retrospectivos , Adulto , Idoso de 80 Anos ou mais , Toxidermias/etiologia , Toxidermias/epidemiologia , Neutrófilos , Antineoplásicos/efeitos adversosRESUMO
A 14-month-old girl with very early-onset inflammatory bowel disease (VEO-IBD) was admitted with a flare of her bowel disease and subsequently developed high fevers, joint pain, and skin lesions during her hospitalization. Workup demonstrated bowel-associated dermatosis-arthritis syndrome in the setting of VEO-IBD, a neutrophilic dermatosis rarely reported in children that can be challenging to diagnose and treat, with limited literature for patients under 2 years of age.
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Morphea is an uncommon inflammatory and fibrosing disorder that has a polymorphous clinical presentation. We report two cases of morphea developing as an isotopic response after a preceding benign skin disease, accompanied by a review of the literature. This case series highlights the importance of return to care recommendations for benign skin conditions such lichen striatus and pigmented purpuric dermatoses due to the rare possibility of subsequent morphea development.
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Eczema , Exantema , Ceratose , Esclerodermia Localizada , Dermatopatias Papuloescamosas , Dermatopatias , Humanos , Esclerodermia Localizada/complicações , Esclerodermia Localizada/diagnóstico , Prurido/complicações , Dermatopatias/complicações , Eczema/complicações , Ceratose/complicaçõesRESUMO
Coloboma, congenital heart disease, ichthyosiform dermatosis, intellectual disability, conductive hearing loss, and epilepsy (CHIME) syndrome is a rare autosomal recessive neuroectodermal disorder caused by PIGL gene mutations. There is emerging literature to support the use of interleukin-17 (IL-17) antagonists in the treatment of certain ichthyosiform dermatoses. Here, we report a case of severe ichthyosiform dermatosis in a child with CHIME syndrome who was recalcitrant to multiple topical medications and dupilumab. This is the first reported case of successful treatment of congenital ichthyosiform dermatosis in a CHIME syndrome patient with ixekizumab, an IL-17A antagonist.
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An otherwise healthy 4-week-old term female of Japanese heritage presented with a 1-week history of asymptomatic progressive, generalized skin lesions. The lesion morphology, distribution, and dermatopathology result was consistent with Sweet syndrome. The patient was found to have a congenital type H rectovestibular fistula. This case highlights the rare association of rectovestibular fistula in neonatal Sweet syndrome which has only been described in neonates of Japanese heritage.
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Mucous membrane pemphigoid is a rare autoimmune disease affecting mucosal surfaces. Pediatric cases are exceptionally rare, one subtype being vulvar pemphigoid. Juvenile vulvar pemphigoid can be challenging to diagnose due to its rarity and subtle initial symptoms. We present a case of an 8-year-old girl successfully diagnosed early in the disease course via histopathology, and immunofluorescence. Detecting MMP can be complex due to variations in epitope binding typically not included in commercial ELISA assays, necessitating comprehensive workup. Missed diagnosis may lead to progression to systemic involvement with severe consequences; thus, timely diagnosis and treatment are crucial.
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Linear IgA bullous dermatosis (LABD) is a rare autoimmune blistering disorder impacting children and adults. In this single-center retrospective chart review of pediatric patients with LABD at a large tertiary referral center, we report the unifying and unique clinical features of 10 pediatric patients. Patients typically presented with the "cluster of jewels" sign (n = 6; 60%), mucous membrane involvement (n = 5; 50%) and had a mean disease duration of 38 months; six patients (60%) required inpatient admission for management of their skin disease, including all five patients who had mucous membrane involvement. Our findings suggest that pediatric LABD may be a disease with high morbidity and may be associated with severe complications when mucous membranes are involved.
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Dermatose Linear Bolhosa por IgA , Humanos , Estudos Retrospectivos , Dermatose Linear Bolhosa por IgA/tratamento farmacológico , Dermatose Linear Bolhosa por IgA/diagnóstico , Dermatose Linear Bolhosa por IgA/patologia , Masculino , Feminino , Criança , Pré-Escolar , Adolescente , LactenteRESUMO
OBJECTIVE: Autoimmune dermatosis (AID) occurs when the body's immune system attacks skin or tissue, leading to various types of skin disorders or injuries. Recent studies show that Janus kinases (JAKs) play critical roles in autoimmune diseases including AID by regulating multiple cytokine signaling pathways. CS12192, a novel JAK3/JAK1/TBK1 inhibitor, has been reported to exert ameliorative effects in rheumatoid arthritis. However, the efficacy of CS12192 on AID is undetermined. This study aims to investigate the therapeutic efficacy of CS12192 on psoriasis (PSO), systemic lupus erythematosus (SLE) and atopic dermatitis (AD) in mouse models. METHODS: Interleukin-23 (IL-23)-induced PSO model, spontaneous SLE model of MRL/MpJ-Faslpr/J (MRL/lpr) mice, and oxazolone (OXA) and dinitrochlorobenzene (DNCB)-induced murine AD models were used for the evaluation of curative effects of CS12192, respectively. The skin lesion, biochemical parameters, ear thickness, ear weight and histopathology were assessed accordingly. RESULTS: In PSO model, mice treated with CS12192 show reduced ear thickness and ear weight as compared with vehicle. In SLE model, CS12192 ameliorates cutaneous parameters such as lymphadenectasis and skin lesion but not systematic parameters such as proteinuria concentration and score, serum dsDNA and BUN concentration. In AD models, CS12192 dose-dependently improves ear swelling and reduces histological scores, exerting equivalent efficacy with baricitinib, a marketed JAK1/JAK2 inhibitor. CONCLUSION: Our findings suggest that the novel JAK3/JAK1/TBK1 inhibitor CS12192 is potentially to alleviate autoimmune dermatosis.
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Modelos Animais de Doenças , Janus Quinase 1 , Janus Quinase 3 , Proteínas Serina-Treonina Quinases , Sulfonamidas , Animais , Camundongos , Janus Quinase 1/antagonistas & inibidores , Janus Quinase 1/metabolismo , Janus Quinase 3/antagonistas & inibidores , Sulfonamidas/farmacologia , Proteínas Serina-Treonina Quinases/antagonistas & inibidores , Feminino , Doenças Autoimunes/tratamento farmacológico , Doenças Autoimunes/patologia , Purinas/farmacologia , Dermatite Atópica/tratamento farmacológico , Dermatite Atópica/patologia , Dermatite Atópica/induzido quimicamente , Dermatite Atópica/imunologia , Azetidinas/farmacologia , Inibidores de Proteínas Quinases/farmacologia , Psoríase/tratamento farmacológico , Psoríase/imunologia , Psoríase/patologia , Psoríase/induzido quimicamente , Lúpus Eritematoso Sistêmico/tratamento farmacológico , Lúpus Eritematoso Sistêmico/patologia , PirazóisRESUMO
Trace elements are essential for maintaining the body's homeostasis, and their special role has been demonstrated in skin physiology. Among the most important trace elements are zinc, copper, and iron. A deficiency or excess of trace elements can be associated with an increased risk of skin diseases, so increasing their supplementation or limiting intake can be helpful in dermatological treatment. In addition, determinations of their levels in various types of biological material can be useful as additional tests in dermatological treatment. This paper describes the role of these elements in skin physiology and summarizes data on zinc, copper, and iron in the course of selected, following skin diseases: psoriasis, pemphigus vulgaris, atopic dermatitis, acne vulgaris and seborrheic dermatitis. In addition, this work identifies the potential of trace elements as auxiliary tests in dermatology. According to preliminary studies, abnormal levels of zinc, copper, and iron are observed in many skin diseases and their determinations in serum or hair can be used as auxiliary and prognostic tests in the course of various dermatoses. However, since data for some conditions are conflicting, clearly defining the potential of trace elements as auxiliary tests or elements requiring restriction/supplement requires further research.
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Acne Vulgar , Oligoelementos , Humanos , Zinco , Cobre , FerroRESUMO
BACKGROUND/OBJECTIVE: Neonatal skin conditions are typically diagnosed through noninvasive methods. Few studies describe the spectrum of biopsy- evaluated neonatal skin lesions. We present our institutional experience with the conditions leading to skin biopsies in neonates. The objective is to describe the conditions for which skin biopsies are performed in neonatal patients. METHODS: There were 20 neonatal skin biopsies over a 10-year period from the hospital's delivery unit, NICU, and pediatric hospital. Biopsies were categorized as inflammatory (not caused by an infectious agent), congenital, neoplastic, infectious, and vascular conditions. RESULTS: The patients' ages ranged from 1 day to 4 weeks, with a male predominance. There were 6 inflammatory, 7 congenital, 5 neoplastic, 1 infectious, and 1 vascular lesions. CONCLUSIONS: The most frequent neonatal skin biopsy lesions were inflammatory or congenital lesions. This review described the types of neonatal dermatopathology specimens that we encountered in practice.
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Dermatopatias , Doenças Vasculares , Recém-Nascido , Criança , Humanos , Masculino , Feminino , Dermatopatias/diagnóstico , Pele/patologia , BiópsiaRESUMO
Pyoderma gangrenosum (PG) is a rare neutrophilic dermatosis. Half of the cases are associated with an immune dysfunction and are frequently triggered by pathergy such as a tissular aggression via surgery or burn wounds. A patient with ulcerative colitis presented a PG at the site of an iontophoresis patch for tendinopathy. Treatment in a specialized burn center, corticosteroid therapy and adapted local care contributed to a favourable evolution. PG remains a diagnosis of exclusion and inflammatory phenomena must be differentiated from infectious causes such as necrotizing fasciitis to initiate immunosuppressive treatment. Being rare and difficult to diagnose and to treat as well as associated with potentially severe sequelae, a multidisciplinary team is required for the management of PG.
Le Pyoderma gangrenosum (PG) est une dermatose neutrophilique rare. Il est, dans la moitié des cas, associé à une maladie dysimmunitaire et il est fréquemment déclenché par un phénomène de pathergie, défini comme une agression tissulaire par une intervention chirurgicale ou encore une brûlure. Une patiente avec une rectocolite ulcéro-hémorragique a développé un PG sur le site d'application d'un patch d'ionophorèse pour une tendinopathie. Un traitement par une corticothérapie, un traitement immunosuppresseur local et des soins locaux adaptés ont permis une évolution favorable. Le PG reste un diagnostic d'exclusion et les phénomènes inflammatoires doivent être différenciés de phénomènes infectieux, comme la fasciite nécrosante, afin d'initier rapidement des immunosuppresseurs. Comme il s'agit d'une pathologie rare avec un diagnostic difficile, que des séquelles peuvent être catastrophiques et qu'un traitement immunosuppresseur complexe doit être instauré, une équipe pluridisciplinaire est requise pour la prise en charge de cette pathologie.
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Tratamento Conservador , Pioderma Gangrenoso , Humanos , Pioderma Gangrenoso/etiologia , Pioderma Gangrenoso/diagnóstico , Pioderma Gangrenoso/terapia , Colite Ulcerativa/complicações , Colite Ulcerativa/terapia , Feminino , Pessoa de Meia-Idade , Tendinopatia/terapia , Tendinopatia/etiologia , Tendinopatia/diagnóstico , MasculinoRESUMO
Background: Dermatology and psychiatry are two specialties which often have a bearing on each other. Multiple indices have been used to study the quality of life in skin diseases; however, very few studies have correlated these indices with questionnaires of common psychiatric comorbidities like anxiety and depression. Methods: The study was conducted in a dermatology out patient department (OPD) of a tertiary care hospital. All patients with chronic dermatological conditions (meeting the inclusion criteria) were included, and each patient was made to fill two questionnaires that are Skindex-29 for skin-related quality of life and Beck Depression Inventory (BDI-II) for depression. They were also assessed for anxiety using the Hamilton Anxiety Scale (HAM-A), which was filled under the supervision of a psychiatrist. Results: The scores for the common diagnoses were collated and analyzed using SPSS 20.0 software, and the results were tabulated. It was found that both the HAM-A and BDI-II had a moderate positive correlation with the Skindex which was statistically significant. Also, on correlating the individual domains of the Skindex with the HAM-A and BDI, the domain of emotions depicted the best correlation. Conclusion: The study brings to light that a relatively easy to administer quality of life questionnaire can be used as a screening tool to identify psychiatric morbidity and in a busy skin OPD, questions from the emotion domain can only be asked for early referral to a psychiatrist.
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This clinical case series presents descriptions of 3 patients with familial Mediterranean fever (FMF) who have atypical manifestations and abnormal inheritance mechanisms in terms of Gregor Mendel's laws. Although molecular genetic testing can help with disease diagnosis, it is not always conclusive. The primary need for genetic testing in atypical cases is to explain the mechanism of inflammation and to select the optimal therapy. These clinical observations demonstrate the changes in the spectrum of phenotypic manifestations of FMF in the context of the widespread introduction of molecular genetic methods.