Systemic lupus erythematosus (SLE) is a multi-systemic disorder affecting almost all systems of the body. Involvement of the kidney in this condition is known as lupus nephritis (LN). LN is one of the important disease manifestations of SLE with considerable influence on patient outcomes in terms of morbidity and mortality. A 33-year-old female came to the OPD with complaints of abdominal pain, infrequent loose stools since 4 months. The patient also had joint pain, predominantly small joints, since 2 months. Patient was admitted and all routine investigations were done. Patient underwent an oesophagogastroduodenoscopy (OGD) and colonoscopy for her abdominal pain and loose stools which did not respond to routine medication. Grossly there was edema present in the oesophagus and colon which on microscopy showed eosinophilic infiltration. Urine routine of the patient showed protein 1+and 24-hour urine protein quantification of 1427 mg/24 h. On further evaluation patient was found to have a positive ANA blot (dsDNA, AMAM2, Ro52 and Sm). The patient was planned for a renal biopsy in view of the proteinuria and positive ANA blot. The patient underwent a renal biopsy under USG guidance and was found to have Lupus nephritis Class 3 (ISN RPS staging). SLE is a multi-organ involving disease which if not diagnosed at the earliest can have serious complications and lead to end stage organ failure and even death. Atypical presentations often pose a diagnostic dilemma and may delay diagnosis and treatment. Early diagnosis and treatment can give patients of SLE a long and normal life. Diagnostic guidelines have helped in the diagnosis of such atypical presentations.

Viral infections are one of the most common triggers of Systemic Lupus Nephritis (SLE) flare-ups. COVID-19 pneumonia can be severe in patients affected by SLE representing a risk factor for lupus nephritis flare. We report the case of a 28-year-old woman with a history of lupus nephritis (LN), who relapsed with severe nephritic-nephritic syndrome after the resolution of COVID-19 pneumonia. In addition, we conducted a literature review to analyze all described cases of LN, vaccinated and unvaccinated, in COVID-19 showing that the course of COVID-19 is more severe in SLE patients with renal involvement, especially in those who have not been vaccinated. Vaccination is the most important measure for preventing COVID-19 in people with rheumatic diseases such as SLE. The case and data we present suggests that LN relapses can occur even after the infection has resolved and illustrates the benefit of vaccination, the role of modulation of immunosuppression during COVID-19 and the specific risk of disease relapse during SARS-CoV-2 infection.

Systemic lupus erythematosus (SLE) is an autoimmune disease characterized by type II and type III hypersensitivity reactions that affect multiple organs, including the joints, heart, lungs, brain, skin, and kidneys. Patients with SLE can experience a range of symptoms, ranging from fever and joint pain to a distinctive butterfly facial rash. Severe complications may encompass conditions such as diffuse alveolar hemorrhage (DAH), pulmonary hypertension, and lupus nephritis, among others. Among them, DAH, a critical pulmonary complication in SLE, involves bleeding from interstitial capillaries and alveoli due to immune complex damage. This case report describes a patient who was initially misdiagnosed but later confirmed to have SLE. The patient presented with persistent symptoms, including cough, dyspnea, and fever, over two weeks and subsequently developed hematuria and hemoptysis within the last two days. The progression of symptoms led to an acute exacerbation, resulting in her admission to the emergency department. Subsequent evaluations confirmed the diagnosis of lupus nephritis and DAH. This case highlights the importance of considering SLE in the differential diagnosis of unexplained systemic symptoms and underscores the urgent need for medical intervention in DAH to substantially reduce mortality.

Thiamine is an essential water-soluble vitamin that must be obtained through diet. This vitamin is crucial for various biochemical reactions and is vital for aerobic metabolism. When individuals are deficient in thiamine, which can be due to hypermetabolism (such as in inflammation, ischemia, or malnutrition, among other reasons), anaerobic metabolism may be utilized to maintain energy needs. Such chemical processes produce lactic acid. Excess lactic acid can cause various clinical signs and symptoms, though lactate dehydrogenase (LDH) can typically break down this compound. The following case presents a very unusual instance where a 51-year-old Caucasian woman presented with the chief complaint of ongoing and severe abdominal pain. After an extensive work-up ruling out numerous diagnoses and an eight-day hospital stay, it was believed that she may be suffering from hyperlactatemia secondary to thiamine deficiency, as she improved significantly after administration of this vitamin. It was thought that this was likely due to her previous systemic lupus erythematosus (SLE) diagnosis, vasculitis, chronic inflammation, and a hypermetabolic state, in addition to concurrent LDH malfunction.

Systemic lupus erythematosus (SLE) affects multiple organ systems, and there has recently been increasing evidence that suggests a considerable rise in cancer risk. Despite growing evidence, the relationship between SLE and multiple myeloma (MM) remains underlooked. This review synthesizes findings from case reports published between 2012 and 2023 to explore this relationship. We conducted a comprehensive search using PubMed, Embase, and Google Scholar with the keywords \'SLE\' and \'multiple myeloma\' and described the clinical profile of MM in patients with SLE. Seven case reports were reviewed. Five case reports included female participants, two had a simultaneous diagnosis of SLE and MM, and in others, MM followed SLE varying from 7 months to 30 years. Two cases reported an improvement in MM. Four cases reported death due to complications, which included shock, myocardial infarction, and pneumonia. Lupus nephritis was seen to complicate MM and SLE complex in 2 cases. Larger, well-developed studies focusing on clinical presentation, diagnostic strategy, treatment, and outcomes are needed to better understand the association between SLE and MM. Healthcare workers should be aware of the increased risk of malignancy in SLE and customize screening accordingly.

Catastrophic antiphospholipid antibody syndrome is a rare and severe subtype of antiphospholipid syndrome with multisystemic organ failure due to thromboembolic events, resulting in high mortality rates. The association between catastrophic antiphospholipid antibody syndrome and autoimmune thyroid diseases is rarely reported in the literature. We report a case of a 35-year-old previously healthy female with Graves\' thyroid storm, positive lupus antibodies, and probable catastrophic antiphospholipid antibody syndrome. Her hospital course was complicated by extensive venous thromboembolism, superior vena cava syndrome, thromboembolic strokes, and Takotsubo cardiomyopathy. Eventually, this led to an unfortunate death secondary to profound shock after 8 days despite emergent treatment. Our case report discusses the link between autoimmune thyroid disorders and catastrophic antiphospholipid antibody syndrome. We emphasize the difficulty in diagnosing catastrophic antiphospholipid antibody syndrome in extremely ill patients and stress the significance of considering it as a possible cause in thyrotoxicosis patients with multiple organ failure and hypercoagulability. Early recognition and prompt management are crucial in improving outcomes in these patients.

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Autoimmune diseases can result in additional symptoms and complications impacting various organ systems beyond the joints. These can affect the eyes, skin, respiratory, cardiac, and renal systems. Recognizing and understanding these diverse manifestations, such as the severe eye issues seen in rheumatoid arthritis (RA) and the potentially life-threatening Felty syndrome, is crucial for clinicians to promptly identify and treat these conditions effectively. In this case presentation, we report on a patient admitted for bilateral scleritis, which was found to be secondary to multiple autoimmune syndrome type 3. During the patient\'s hospital stay, Felty syndrome was incidentally diagnosed due to the observed combination of RA, splenomegaly, and absolute neutropenia. Prompt recognition of this condition allowed the patient to receive appropriate care, including oral steroids, hydroxychloroquine, and methotrexate, decreasing the risk of severe complications.

UNASSIGNED: Systemic lupus erythematosus (SLE) is a systemic immune disease that classically occurs in young to middle-aged women and may present with cutaneous, renal, haematologic, neurological, and/or other symptoms at the time of diagnosis. Late-onset SLE or SLE in the elderly is a subtype that differs from classic SLE in terms of age group, clinical symptoms, organ involvement and severity.
UNASSIGNED: A 63-year-old female noted to have pancytopenia. The patient was diagnosed with lupus upon obtaining clinical presentations and serological marker, along with high titres of the antinuclear antibody and/or anti-double-stranded DNA antibody. The patient was managed with glucocorticoids and mycophenolate mofetil therapy, which led to a rapid response.
UNASSIGNED: Late-onset SLE accounts for 2-12% of SLE patients with a minimum age of onset of 50 years and older, leading to significant delays in diagnosis. Late-onset SLE differs from early-onset SLE in terms of sex and ethnicity prevalence, clinical symptoms and signs, development of organ damage, disease activity and severity, and prognosis. Some studies have also shown that late-stage SLE patients have higher rates of RF and anti-Ro/anti-La antibody positivity, lower complement titre, and higher incidence of elevated creatinine and decreased creatinine clearance. First-line treatment of pancytopenia is glucocorticoid. In refractory cases, rituximab and immunosuppressants can be used.
UNASSIGNED: It is important to assess any unusual presentation of SLEs when clinical suspicion remains high and conducting further laboratory and imaging investigation.

Systemic lupus erythematosus (SLE) is a complex heterogeneous disease with multiple clinical manifestations. Recently, two medications, anifrolumab and voclosporin, have been approved for the treatment of adults with SLE and lupus nephritis (LN), respectively. We present the case of an elderly woman with LN and refractory discoid lupus erythematosus (DLE), who was treated successfully with a combination of voclosporin and anifrolumab without major infections.