Cardiac involvement is rare in inflammatory bowel disease (IBD) but can occur as a complication of either the disease itself or drug therapy. We describe an interesting clinical scenario of acute myopericarditis during Crohn’s flare-up. A 37-year-old patient with severe Crohn's disease started having multiple bloody bowel movements associated with abdominal pain. These symptoms were attributed to Crohn's disease flare-up, prompting the addition of steroids and an increase in the dose of mesalamine without any significant relief. Two weeks later, he presented to the emergency department with pleuritic chest pain. Electrocardiogram (EKG) revealed ST segments elevation in leads I and aVL. Laboratory work revealed elevated troponin I of 1.82 ng/mL, with increased erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP) of 121 mm and 180.1 mg/L, respectively. Cardiac magnetic resonance imaging (MRI) revealed early gadolinium enhancement consistent with myocarditis. The patient was started on colchicine with an increase in the dose of steroids, resulting in clinical improvement. The patient reported having similar chest pain during a previous episode of Crohn's disease flare-up, suggesting underlying IBD as the likely etiology.
Adult-onset Still’s disease (AOSD) has a vast array of clinical presentations. Myopericarditis is one of the rarest cardiopulmonary manifestations of the disease and due to its rarity, the literature on the association of myocarditis with AOSD is sparse. Herein, we describe an interesting case of a 44-year-old male who presented with chest pain following exertion. He was febrile at the time of presentation and exam revealed inflammation in various joints. Electrocardiogram showed diffuse ST segment elevations in the precordial leads. Laboratory results revealed elevated troponin of 3.17 (<0.05 ng/mL) and CK-MB of 6 ng/mL along with elevated ferritin of 6225 (16-336 ng/mL). Cardiac MRI showed early and late gadolinium enhancement consistent with myocarditis. The patient was started on steroids and non-steroidal anti-inflammatory drugs (NSAID) resulting in clinical improvement. This case highlights the critical importance of diagnosis of pericarditis and myocarditis in patients with AOSD, as a missed diagnosis can lead to significant morbidity and mortality.
The advent of checkpoint inhibitor therapy in medical oncology has led to an increase in hospitalizations for immune-related adverse effects. Severe colitis has been reported in approximately 5% of patients treated with cytotoxic T-lymphocyte-associated antigen-4 (CTLA-4) inhibitors, such as ipilimumab. Standard management for those with severe colitis includes administration of systemic corticosteroids with the reservation of antitumor necrosis factor (anti-TNF) therapy, such as infliximab, if there has been no improvement. Rarely, immunotherapy-induced colitis can become life-threatening and result in bowel perforation requiring surgical intervention. Yet, there are no specific recommendations for medical management following colectomy in these situations. In cases of severe colitis from Crohn’s disease, postoperative treatment with infliximab has been found to be safe when administered shortly after intestinal resection. However, there remains limited data to support administration of infliximab following bowel perforation due to immunotherapy-induced colitis. Our case illustrates management of a severe adverse reaction to checkpoint inhibitor therapy and the need to further evaluate the role of infliximab postoperatively in patients who develop colitis complicated by bowel perforation.
Richter's transformation (RT) is defined as the transition of chronic lymphocytic leukemia (CLL) or small lymphocytic leukemia (SLL) into an aggressive lymphoma. The conversion generally leads to diffuse large B-cell lymphoma (DLBCL), but more aggressive forms such as Hodgkin lymphoma (HL) can also occur. RT is a rare complication of CLL. RT can be confused with CLL progression. Its identification is crucial because the management of lymphoma and CLL differ from each other. Furthermore, the use of certain agents for CLL such as venetoclax increases the risk of tumor lysis syndrome (TLS) in neoplasms with rapid replication such as DLBCL or CLL with hyperleukocytosis (blast crisis). We present the case of a 76-year-old man with a history of CLL on chemotherapy who developed fatigue, malaise, night sweats, chills, and unintentional weight loss for which he was started on treatment with venetoclax due to suspected clinical progression of his disease. The patient developed TLS, requiring hospitalization, and he was found to have an acute blast crisis. Also, his CLL was found to have been transformed into an aggressive DLBCL. This case highlights the importance of differentiating a true progression of CLL from RT into an aggressive lymphoma given that treatment would be different for the two and the prognosis with the transformation is worse.
Leukocytoclastic vasculitis (LCV) is an uncommon condition with a broad differential diagnosis. Although the clinical history, physical examination, and laboratory workup are pivotal when formulating a differential diagnosis of LCV, a skin biopsy is required in most cases to elucidate the cause. The diagnostic yield of a skin biopsy increases within the first 24 to 48 hours of the lesion onset indicating the importance of obtaining a prompt skin sample. We present the case of a 60-year-old man who presented to the emergency department with a three-day history of fevers, headaches, and a painful skin rash. He endorsed rhinorrhea and sore throat a week ago. Physical examination was notable for an erythematous papular rash with palpable violaceous purpura located mainly at the distal right leg and thigh. He also complained of painful bilateral hand edema. His complete blood count and chemistries were unremarkable. His C-reactive protein was 147 mg/L (normal value <8 mg/L), and sedimentation rate was 51 mm (normal value <15 mm). Immunoglobulin A was 509 mg/dL (normal value 82-460 mg/dL). Further workup including viral hepatitis serologies, antinuclear antibodies, complements, antineutrophil cytoplasmic antibodies, cryoglobulins, rheumatoid factor, and blood cultures yielded negative results. Therefore, it was believed that his rash was likely associated with his recent upper respiratory infection. A skin biopsy done on the first day of admission was positive for LCV without immunoglobulin A deposition. He was managed with prednisone and anti-inflammatory medications with improvement of his rash.
Hyperprogression is a pattern of accelerated tumor growth noted uncommonly after the use of immune checkpoint inhibitors in some patients. We present a 56-year-old female with gastroesophageal junction (GEJ) adenocarcinoma who was initially treated with neoadjuvant radiation and chemotherapy with carboplatin and paclitaxel, followed by esophagogastrectomy and postoperative FOLFOX chemotherapy. After a stable two-year course, she was noted to have recurrence at the GEJ which was biopsy confirmed. She was started on pembrolizumab, after which she developed several new metastases noted on the PET/CT. Lesions were noted in iliac bones, spine, retroperitoneal lymph nodes, hilar nodes, mediastinum, and lungs. Postdiscontinuation of the pembrolizumab, she received six cycles of paclitaxel with ramucirumab and showed remarkable improvement on the next imaging scan with resolution of osseous lesions, lung nodules and significant improvement in hilar, mediastinal, and retroperitoneal lymph nodes. We hope that this case report sheds further light on this uncommon complication of immune checkpoint inhibitors.
Introduction Immune-checkpoint inhibitors have become an increasingly popular form of systemic therapy for cancer treatment. Their use has proven to be so effective that certain regimens have gained approval as first-line therapy for various solid tumor types. The most common and well-studied forms of immunotherapy include agents that target cytotoxic T-lymphocyte antigen-4, programmed death-1, and programmed death ligand-1. These therapies act by blocking signaling between immune cells and cancer cells which subsequently augment T cell-mediated destruction of tumor cells. Case report Here, we report a case of a 77-year-old black male with no history of or risk factors for diabetes mellitus who presented with acute onset of diabetic ketoacidosis after beginning immunotherapy with nivolumab for metastatic high-grade neuroendocrine tumor of the lung. He was admitted and treated for diabetic ketoacidosis but required prolonged use of an insulin infusion with frequent need of intravenous dextrose due to labile blood sugars. The patient was eventually discharged and discontinued further immunotherapy with nivolumab. Discussion Due to the unique mechanisms by which immune-checkpoint inhibitors cause immune-mediated destruction of tumor cells, clinicians may be challenged with their associated autoimmune complications referred to as immune-related adverse events. In particular, the incidence of endocrine dysfunction following immune-checkpoint inhibitor therapy is approximately 12%, with the development of insulin-dependent diabetes mellitus being a rare complication. Increasing awareness of immune-related adverse events is essential for the early recognition and effective management of patients who present with life-threatening complications related to immune-checkpoint inhibitor therapy.
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