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Khouloud Ben Lazreg Imen Helal Fatma Khanchel Aida Daieb Sameh Tlili Sirine El fekih Ehsen Ben Brahim Youssef Hellal Raja Jouini Achraf Chadli Debbiche 《Clinical Case Reports》2022,10(8)
Splenogonadal fusion is an abnormal connection between the spleen and gonads. This rare entity can be easily confused with testicular tumors. It usually accompanies congenital malformations, such as cryptorchidism, making diagnosis more difficult. Surgeons must be aware of this entity to avoid unnecessary orchiectomy. In some cases, biopsy may help with diagnosis. 相似文献
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Achraf Jemli Awatef Eshili Fatma Trifa Anouar Mechri Ferid Zaafrane Lotfi Gaha 《Immunological investigations》2017,46(2):159-171
Since growing evidence suggests a significant role of chronic low-grade inflammation in the physiopathology of schizophrenia, we have hypothesized that functional genetic variant of the IFN gamma (IFN-γ; +874A/T; rs2430561) gene may be involved in the predisposition to schizophrenia. This research is based on a case–control study which aims to identify whether polymorphism of the IFN-γ gene is a risk factor for the development of schizophrenia. The RFLP-PCR genotyping of the IFN-γ gene was conducted on a Tunisian population composed of 218 patients and 162 controls. The IFN-γ (+874A/T) polymorphism analysis showed higher frequencies of minor homozygous genotype (TT) and allele (T) in all patients compared with controls (11.5 vs. 4.9%; p = 0.03, OR = 2.64 and 30.7 vs. 24.1%, p = 0.04, OR = 1.4, respectively). This correlation was confirmed for male but not for female patients. Also, the T allele was significantly more common among patients with paranoid schizophrenia when compared with controls (25.8 vs. 4.9%, p = 0.0001; OR = 6.7). Using the binary regression analysis to eliminate confounding factors as age and sex, only this last association remained significant (p = 0.03; OR = 1.76, CI = 1.05–2.93). In conclusion, our results showed a significant association between +874A/T polymorphism of IFN-γ and paranoid schizophrenia, suggesting that this single nucleotide polymorphism (SNP) or another at proximity could predispose to paranoid schizophrenia. Since the minor allele of this polymorphism was correlated with an increased expression of their product, our study validates the hypothesis of excessive pro-inflammatory cytokine in the physiopathology of paranoid schizophrenia. 相似文献
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Phenomenological plasticity models that relate relative density to plastic strain are frequently used to simulate ceramic powder compaction. With respect to the form implemented in finite element codes, they need to be modified in order to define governing parameters as functions of relative densities. Such a modification increases the number of constitutive parameters and makes their calibration a demanding task that involves a large number of experiments. The novel calibration procedure investigated in this paper is based on inverse analysis methodology, centered on the minimization of a discrepancy function that quantifies the difference between experimentally measured and numerically computed quantities. In order to capture the influence of sought parameters on measured quantities, three different geometries of die and punches are proposed, resulting from a sensitivity analysis performed using numerical simulations of the test. The formulated calibration protocol requires only data that can be collected during the compaction test and, thus, involves a relatively smaller number of experiments. The developed procedure is tested on an alumina powder mixture, used for refractory products, by making a reference to the modified Drucker–Prager Cap model. The assessed parameters are compared to reference values, obtained through more laborious destructive tests performed on green bodies, and are further used to simulate the compaction test with arbitrary geometries. Both comparisons evidenced excellent agreement. 相似文献
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Fenniche S Benmously R Marrak H Khayat O Ben Ammar F Debbiche A Ben Ayed M Mokhtar I 《Annales de dermatologie et de vénéréologie》2004,131(8-9):818-821
INTRODUCTION: Epithelioid hemangioendothelioma is a tumor of soft tissues arising from the vascular endothelium. It is considered as a low-grade malignant tumor. Cutaneous involvement is rare and often associated with multi-systemic localizations. CASE REPORT: We report the case of a 34 year-old woman with a 6-month history of a 1.5 cm erythematous-violaceous, soft, painful cutaneous nodule involving the right forearm. An abdominal sonography had been performed 1 month before the onset of the nodule, because of epigastric pain and was normal. Histological and immunohistological examinations led to diagnosis of an epithelioid hemangioendothelioma. Assessment of the extension with radiology, sonography, tomodensitometry and magnetic resonance imaging, revealed nodules of the liver. Treatment consisted in the wide and complete excision of the tumor. There was no evidence of local recurrence after one year follow-up, and the hepatic lesions were stable. DISCUSSION: Epithelioid hemangioendotheliomas belong to the epithelioid vascular tumor spectrum. They have in common the morphologic epithelioid aspect of endothelial tumor cells. Cutaneous localization is rare, and to the best of our knowledge, only 20 cases of epithelioid hemangioendothelioma with skin involvement have been reported in the literature. Epithelioid hemangioendothelioma can be isolated or associated with internal visceral involvement. The detection of skin lesions should lead to a complete assessment of the extension of the disease to detect any internal localization. Because of low-grade malignancy of the tumor, and the integrity of the liver observed one month before the onset of the disease in our patient, epithelioid hemangioendothelioma appears to be a multicentric disease rather than metastatic hepatic localizations of a primitive skin cancer. 相似文献
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Bouraoui S Haouet S Bellil K Fenniche S Chedly Debbiche A M Zitouna M Mzabi Regaya S 《La Tunisie médicale》2001,79(12):703-705
Seborrheic keratosis are one of the most common benign epidermic tumors in clinical practice. Malignant transformation is exceptional and occurs by the involvement of human papilloma virus. We report a case of seborrheic keratosis of the armpit in a 55 year-old woman whose biopsy revealed the presence of a basal cell carcinoma. 相似文献
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Severe pemphigoid gestationis associated with acute disseminated encephalomyelitis in the setting of a systemic disorder 下载免费PDF全文
Jawad Oumerzouk Nabil Abida Achraf Zaimi Kaoutar Znati El Mehdi Zbir Ahmed Bourazza 《The Australasian journal of dermatology》2018,59(2):e123-e126
Pemphigoid gestationis is a skin‐specific autoimmune disorder that can sometimes present as the cutaneous manifestation of a multiorgan disease due to potentially common pathogenic mechanisms. We report a severe form of pemphigoid gestationis in a 32‐year‐old primigravida woman, who presented at 22 weeks of gestation with headaches and blurred vision, later developing encephalitis, intrauterine fetal demise and dilated cardiomyopathy. 相似文献