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Parvimonas micra is a bacterium normal to oral and gastrointestinal flora that has been implicated in cases of discitis, osteomyelitis, and prosthetic joint infections, often involving dental procedures or periodontal disease. It is an extremely rare cause of infection outside of these circumstances. We describe a case of septic arthritis of the native hip joint due to P. micra.We report a case of thyroid storm with concomitant acute appendicitis. The patient had clinical findings concerning for an acute abdomen. However, this physical examination finding can occur in some individuals presenting with severe thyrotoxicosis or thyroid storm without an underlying surgical process. In this case, the patient received aggressive treatment perioperatively for her thyroid storm and required continued treatment for her thyroid state after appendectomy. Differentiating medical vs surgical causes for an acute abdomen while simultaneously recognizing the thyrotoxic state is imperative in such a scenario. Clinicians must proceed cautiously to optimize patients' thyroid status before any operative interventions to minimize risks of cardiovascular collapse or death.We describe a 68-year-old man who presented with progressive weakness in proximal muscles of all four limbs and was found to have autoantibody-negative necrotizing autoimmune myopathy (NAM). His myopathy was refractory to corticosteroids and methotrexate, but subsequently demonstrated successful response to intravenous immunoglobulin (IVIG). BTK inhibitor The patient also received rituximab, but the timing of his recovery favored IVIG as the more important factor in terms of efficacy. Treatment guidelines for seronegative necrotizing myopathies are lacking. This case suggests a potential efficacious treatment option for the seronegative subset of NAM.Although patients with COVID-19 can have mild nonspecific myalgia and mild elevation of creatinine kinase levels, severe myalgia along with elevation of creatinine kinase levels >10 times the upper normal limit and dark-colored urine indicate an underlying severe rhabdomyolysis. This report describes a 60-year-old morbidly obese man who was found to have severe rhabdomyolysis, along with acute kidney injury, dark-colored urine, and a positive COVID-19 test. He had a prolonged hospital course requiring continuous renal replacement therapy, mechanical ventilation, and multiple vasopressors and eventually died of multiorgan failure. The management of severe rhabdomyolysis and COVID-19 is challenging, and fluid resuscitation should be done cautiously, monitoring for early signs of fluid overload.COVID-19 has emerged as a major global health crisis since the first cases were reported in China in December 2019. Remdesivir is the only broad-spectrum antiviral approved by the US Food and Drug Administration to treat hospitalized patients with COVID-19 infection. Although the adverse effects of remdesivir are largely unknown, data from randomized controlled trials have demonstrated its deleterious effect on the liver. This review briefly addresses the hepatic manifestations of COVID-19 infection and the data regarding the efficacy and adverse effects of remdesivir on liver function when used in patients hospitalized with COVID-19. Through a literature search, we identified five randomized controlled trials, two case reports, and one case series, including a total of 2375 patients. Although mild transaminase elevation has been reported as a feature of COVID-19, there has been a concern of hepatotoxicity associated with the use of remdesivir. Based on the limited available data regarding the adverse effects of remdesivir on hepatic function, it is prudent to exercise caution by evaluating baseline liver function, avoiding the use of potentially hepatotoxic drugs, and closely monitoring liver function when using remdesivir in patients hospitalized with COVID-19.Cutaneous injury and irritation among health care workers has substantially risen during the COVID-19 pandemic. In a field already laden with skin-induced injury and irritation due to high levels of handwashing and glove wearing, increases have been reported in handwashing-induced xerosis, irritant dermatitis, and contact dermatitis from N95 respirators and other surgical masks. Masks, goggles, face shields, and gloves all potentially create abrasions from long hours of use, leading to itching, pain, and aggravation of underlying skin conditions. Personal protective equipment (PPE)-related skin injury can be serious, and the American Academy of Dermatology has released recommendations on preventing and treating occupationally induced dermatologic conditions during the COVID-19 pandemic. These are reviewed and discussed in conjunction with overarching guidelines for mitigating the spread of the virus.Extra-articular impingement between the femur and ischium is increasingly recognized as a cause of hip pain. The purpose of this study was to assess the diagnostic parameters for greater trochanteric-ischial impingement (GTI) in magnetic resonance imaging (MRI) studies. Seven patients (seven hips) diagnosed with GTI were retrospectively identified. For each of these seven patients, three controls were matched by gender, height, and weight to create a control group of 21 asymptomatic hips. The same technique and positioning were utilized to acquire the MRIs in the GTI and control groups. The MRI was performed with the lower limbs in a functional position reproducing the midstance phase of the gait cycle. The greater trochanteric-ischial distance was measured in the axial cut showing the shortest distance between the greater trochanter and the ischial tuberosity. The mean greater trochanteric-ischial distance was 26.2 mm in the GTI group and 33.8 mm in the control group (P  less then  0.01). Greater trochanteric-ischial distance ≤28 mm had a sensitivity of 86% and specificity of 86% in identifying GTI. In conclusion, utilizing MRI with functional positioning of the lower limbs, greater trochanter-ischial distance ≤28 mm is helpful to diagnose GTI in women.In 2016, the entity of noninvasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP) was proposed. This study investigated the impact of NIFTP nomenclature on fine-needle aspiration (FNA) evaluation of thyroid nodules and clinical management, as well as the molecular profile of NIFTP. The study included 23 out of 275 cases diagnosed as follicular variant papillary thyroid carcinoma from 2005 to 2015 that were reclassified as NIFTP, as well as 14 cases with an original diagnosis of NIFTP from 2016 to 2019. Information on demographic characteristics, FNA diagnoses, and follow-up was collected. Before 2016, 43.5% of NIFTP surgical cases were diagnosed as malignant or suspicious for malignancy by presurgical FNA, 80% of which received total thyroidectomy. Since 2016, only 15.4% of NIFTP cases were diagnosed as malignant or suspicious for malignancy and treated with total thyroidectomy. The overall total thyroidectomy rate decreased from 56.5% to 21.4% for NIFTP cases. RAS mutations (KRASQ61R and NRASQ61R ) were present in 57.1% of NIFTP cases, with no BRAF mutations identified. Our study demonstrates a significant impact of NIFTP nomenclature on FNA diagnosis of thyroid nodules with reduced diagnoses as malignant or suspicious for malignancy, thus avoiding overdiagnosis and overtreatment of NIFTP patients. The molecular study indicates that RAS mutations play an important role in NIFTP tumorigenesis.Bronchus-associated lymphoid tissue (BALT) lymphomas of the lung are uncommon, and diagnosis is often delayed due to the indolent clinical course. Often, adequate samples are difficult to obtain by bronchoscopy with transbronchial biopsy alone. This retrospective study reviewed the diagnosis and treatment of BALT lymphoma cases at our institution over the course of 19 years. Most patients were white, women, and >50 years old; the mean Charlson Comorbidity Index at the time of diagnosis was 6. Seven of 12 patients presented with solitary nodules or multiple nodules. For six cases, initial modalities were nondiagnostic; four subsequently underwent surgical biopsy, one underwent computed tomography-guided biopsy, and one underwent navigational bronchoscopy for final diagnosis of BALT lymphoma. Ultimately, 55% of cases were diagnosed with nonsurgical biopsy. One patient suffered a pneumothorax related to the initial diagnostic attempt. Ten patients received chemotherapy, radiation, and/or surgery, and 11 of the 12 are still alive. Our data confirm the previously described indolent behavior of BALT lymphomas and the challenges related to diagnosis. While previous studies have suggested surgical biopsy as the primary modality for obtaining histopathology, navigational bronchoscopy could serve as a safer alternative.Because nearly all patients with acute aortic dissection have systemic hypertension, we examined electrocardiograms (ECGs) in 21 patients with spontaneous acute type A aortic dissection. An earlier study had shown that total 12-lead QRS voltage was the best criterion for determining left ventricular hypertrophy from the ECG. We measured total 12-lead QRS voltage in 21 patients with spontaneous (no previous cardiac or aortic operation) acute type A aortic dissection and operative repair. Using >175 mm as evidence of left ventricular hypertrophy, only 8 patients (38%) had hearts of increased mass. Total 12-lead QRS voltage corresponded slightly with age but not with body mass index. In conclusion, total 12-lead QRS voltage is not useful for diagnostic purposes in patients with acute type A aortic dissection undergoing operative repair.Acute pulmonary embolism (PE) is a form of venous thromboembolism associated with significant morbidity and mortality. Massive PE, characterized by hemodynamic instability, has been reported as a common cause of cardiac arrest. Thrombolytic agents have therefore been identified as a potential rescue therapy to restore circulatory perfusion. This study describes use patterns of systemic thrombolysis in cardiac arrest and corresponding patient outcomes. A multicenter retrospective chart review was conducted to evaluate adult patients who received rescue thrombolysis during cardiac arrest for suspected or confirmed PE. A total of 27 patients were included. PE was confirmed in 4 patients (15%). Pulseless electrical activity was the initial rhythm in 21 patients (78%), with a median cardiac arrest duration of 23 minutes in patients with return of spontaneous circulation (ROSC) vs 42.5 minutes in patients without ROSC. Among the 11 patients (41%) with ROSC, two (7%) survived to hospital discharge. Notable characteristics of the two survivors included a confirmed PE, an initial presenting rhythm of pulseless electrical activity, and administration of alteplase within 5 minutes of cardiac arrest. We recommend early administration of rescue thrombolysis when there is a high clinical index of suspicion that PE is the cause of the arrest.The prevalence and seroconversion rate of SARS-CoV-2 infection among asymptomatic health care workers in the US is unclear. Our study utilized real-time polymerase chain reaction (RT-PCR) SARS-CoV-2 testing and serological evaluation to detect IgG antibodies specific to SARS-CoV-2 antigens in asymptomatic health care workers. A total of 197 subjects with a mean age of 35 years were recruited into the study. While most (67%) reported prolonged contact with known COVID-19 patients, only 8 (4.2%) tested positive on RT-PCR and 23 (11.7%) had detectable levels of IgG antibody to SARS-CoV-2. Out of 19 subjects with detectable IgG antibody at week 1, 11 (57.9%) lost their antibody response by week 3. No statistically significant difference was found in baseline characteristics or exposure status between subjects with positive and negative results on RT-PCR or antibody positivity. In conclusion, we found a low incidence of PCR positivity for SARS-CoV-2 in a high-risk group. This likely demonstrates the effectiveness of proper personal protective equipment use and low transmission risk in health care settings.