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Because of rising cocaine consumption and levamisole adulteration frequency, levamisole-adulterated cocaine-induced vasculitis/vasculopathy is becoming more common. Detailed characterization of skin involvement coupled with multiple antibody positivity is essential for a diagnosis. Renal involvement is frequent, clinically and histologically heterogeneous, and potentially serious.

Pancreatic disorders, such as chronic or acute pancreatitis, and carcinoma may be infrequently accompanied or preceded by panniculitis or polyarthritis. This triad is known in the literature as the pancreatitis, panniculitis, and polyarthritis syndrome. Although the pancreatic disease of pancreatitis, panniculitis, and polyarthritis syndrome usually includes pancreatitis, here we review the literature with report of 1 additional case of polyarthritis and panniculitis occurring in the presence of pancreatic carcinoma. Given that the diagnosis is often difficult when abdominal symptoms are absent, knowledge of the association between panniculitis and polyarthritis with pancreatic disease may lead to a prompt diagnosis and management. The histopathology of the skin lesions can be a valuable clue for focusing attention to a pancreatic disease.

The survival of SLE patients has improved significantly over the past few decades placing them at increased risk of cardiovascular disease (CVD), malignancies, and osteoporosis, among other comorbidities. The aim of this review was to assess the incidence and prevalence of comorbidities in these patients as well as their prevention and treatment focusing in CVD, malignancies and osteoporosis. Areas covered: We focused on CVD, malignancies and osteoporosis as SLE comorbidities. A literature search (PubMed database) was performed using the words 'comorbidities', 'cardiovascular disease', 'osteoporosis', 'malignancy', 'cancer' and 'lupus' between January 1976 and December 2016. No language restrictions were placed. More than 100 full-length articles were reviewed. Expert commentary: The therapeutic approach in SLE should aim not only at achieving disease remission but also at treating all conditions affecting the patients and, consequently, their outcomes. These patients should be treated as coronary artery disease (CAD) equivalent with rigorous modifiable CV risk factors management in addition to the optimal treatment of their lupus. Furthermore, modifiable osteoporosis traditional risk factors and SLE-related risk factors should be modified to ameliorate bone loss and fracture risk. Cancer preventive measures (smoking cessation and screening programs for cervical cancer) constitute also essential components of the management of these patients.

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During the last decades, there has been an increased interest in the discovery and validation of biomarkers that reliably reflect specific aspects of lupus. Although many biomarkers have been developed, few of them have been validated and used in clinical practice, but with unsatisfactory performances. Thus, there is still a need to rigorously validate many of these novel promising biomarkers in large-scale longitudinal studies and also identify better biomarkers not only for lupus diagnosis but also for monitoring and predicting upcoming flares and response to treatment. Besides serological biomarkers, urinary and cerebrospinal fluid biomarkers have emerged for assessing both renal and central nervous system involvement in systemic lupus erythematosus, respectively. Also, novel omics techniques help us to understand the molecular basis of the disease and also allow the identification of novel biomarkers which may be potentially useful for guiding new therapeutic targets.

Objective The objective is to compare the clinical and laboratory characteristics of systemic lupus erythematosus (SLE) patients with and without lupus enteritis (LE) and to identify the factors associated with the occurrence of LE. Methods We performed a retrospective, case-control study in hospitalized patients with SLE who were admitted to our tertiary hospital between January 2012 and December 2021. Sixteen LE patients (cases) were matched (1:3 ratio) for sex and birth year with 48 non-LE patients (controls). Univariable and multivariable logistic regression analyses were used to identify the variables associated with LE. Results Of 2,479 SLE patients who were admitted to our hospital as inpatients, 16 (0.65%) were diagnosed as having LE. All patients, cases and controls, were of Mestizo ethnicity. SLE was diagnosed simultaneously with the first episode of LE in 10 (62.5%) patients. The median time from SLE diagnosis to the first episode of LE was 7 (IQR 0–78) months. LE patients had a shorter median disease duration [7 (0–78) vs 34 (9.5–79) months], and a significantly longer hospital stay (28.3 ± 15.8 vs 6.5 ± 7.9 days, p < 0.001) than non-LE patients. Most LE patients (93.8%) had concomitant lupus nephritis. LE patients had higher SLEDAI-2K scores than those without LE (20.5 ± 9.4 vs 9.8 ± 10.4, p < 0.001). By multivariable analysis, a higher SLEDAI-2K score (OR 1.10, 95% CI 1.02–1.18; p = 0.015) was independently associated with LE occurrence after adjusting for cutaneous involvement, lymphocyte count, serum creatinine, and serum complement C4. Recurrence was observed in two patients (12.5%), both with a bowel wall thickening > 8 mm. The two patients with large intestine-dominant LE developed intestinal pseudo-obstruction. No patient had life-threatening complications (intestinal hemorrhage, infarction, or perforation), and there were no deaths induced directly by LE itself. Conclusion In patients of Mestizo ethnicity, LE occurs during the early course of SLE, frequently is one of the presenting manifestations of SLE, and in most cases, it presents with concomitant lupus nephritis. Higher levels of disease activity at diagnosis were independently associated with LE occurrence and when recurrences occur, they do so in the context of severe wall thickness.