J Emerg Med
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An extrapleural hematoma (EH) is an uncommon and potentially life-threatening condition defined as the accumulation of blood in the extrapleural space between the parietal pleura and the endothoracic fascia. EH usually occurs after blunt thoracic trauma causing fractures of the sternum and ribs, which can tear the intercostal or internal mammary vessels. Typical radiological findings of EH are a biconvex opacity on the involved hemithorax and the so-called displaced "extrapleural fat sign." ⋯ We present a case of a 36-year-old man with an isolated scapular fracture after a high-energy blunt chest trauma complicated with a large contralateral EH that was successfully managed nonoperatively with transcatheter arterial embolization (TAE) and image-guided drainage with a pig-tail catheter. To the best of our knowledge there is only one previous report describing a large EH after blunt thoracic trauma without rib fractures. Only two previous cases of large EHs have been treated initially with TAE, but both patients ultimately required open surgery. WHY SHOULD AN EMERGENCY PHYSICIAN BE AWARE OF THIS?: Patients with EH can present with respiratory distress and hypotension, so early identification is important to facilitate proper treatment. EH has characteristic radiological findings, and contrast-enhanced computed tomography is not only the best imaging tool for confirming an EH, but also the best technique for detecting the source of the bleeding and other serious thoracic complications that may not be evident on chest x-ray studies.
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Imperforate hymen with hematometrocolpos in adolescent females is a rare pediatric condition. Classical presentation includes abdominal pain or a pelvic mass in female patients with primary amenorrhea. Atypical complaints and reluctance among emergency physicians to perform genital examination in the emergency department or the pediatric emergency department (PED) may delay correct diagnosis. ⋯ We report a unique, cauda equina syndrome-like presentation of hematometrocolpos secondary to imperforate hymen in a 13-year old, previously healthy girl with primary amenorrhea. In the PED, the unusual clinical presentation of severe back pain and urinary incontinence initially mimicked cauda equina syndrome and led to delayed correct diagnosis. WHY SHOULD AN EMERGENCY PHYSICIAN BE AWARE OF THIS?: The novelty of this case is a cauda equina-like presentation of imperforate hymen secondary to hematocolpos. This report illustrates the highly variable clinical presentation of this rare gynecological pediatric entity. It underlines the importance of considering this rare condition in the differential diagnosis of severe upper or lower back pain alongside voiding abnormalities including urinary retention and incontinence in adolescent females with primary amenorrhea. Above all, the importance of performing a thorough history and genital examination in this subgroup early in the investigation process in the PED emerges from this case. Essentially, excellent clinical judgment and genital examination by the emergency physician may minimize unnecessary radiological investigations and ultimately, accelerate correct diagnosis and expedite appropriate surgical treatment. However, not only pediatric and adult emergency physicians, but also pediatricians and general practitioners should be aware of this entity and its diverse clinical presentation.
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Neck pain in the pediatric population has a broad differential diagnosis, ranging from benign to imminently life-threatening causes. Trauma and infection represent the most common etiologies of pediatric neck pain in the pediatric emergency department (PED) setting. Malignancy, though a rare cause of pediatric neck pain, is important to consider in patients with acquired torticollis or focal neurologic signs. ⋯ We describe the case of a previously healthy 12-year-old female who presented to the PED with neck pain radiating down her upper extremities. The physical examination revealed diminished strength in her upper extremities compared to her lower extremities. Further evaluation revealed lymphadenopathy in the cervical and mediastinal areas and an epidural tumor in the cervical spinal column. The ultimate diagnosis was Hodgkin lymphoma presenting in an unusual manner with cervical spinal cord compression. WHY SHOULD AN EMERGENCY PHYSICIAN BE AWARE OF THIS?: Neck pain is a common chief complaint among pediatric patients in the emergency setting. This case of spinal cord compression caused by malignancy illustrates the necessity of detailed spinal imaging in patients with neck pain and "red flag" signs, including but not limited to an abnormal neurologic examination.
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Anti-N-methyl-d-aspartate (NMDA) receptor autoimmune encephalitis is a newly identified form of encephalitis whose incidence is on the rise. Awareness of this condition and symptom recognition are key to early diagnosis and prompt treatment, which may alter the course of the disease. ⋯ A 35-year-old woman presented to our Emergency Department (ED) with lethargy, bizarre behavior, agitation, confusion, memory deficits, and word-finding difficulties. Her symptoms and evaluation were potentially consistent with a primary psychiatric disorder, but the absence of frank psychosis and presence of neurologic features related to memory and cognition prompted other considerations. In the ED we performed a lumbar puncture, and in addition to routine studies, ordered anti-NMDAR antibody screening. The screening studies returned positive, leading to treatment with glucocorticoids and intravenous immune globulin and resulting in improvement to near baseline function. WHY SHOULD AN EMERGENCY PHYSICIAN BE AWARE OF THIS?: Although anti-NMDAR encephalitis is relatively uncommon, reports of this previously unrecognized condition are increasing, with an unclear true incidence of disease. Emergency providers should consider this diagnosis in their differential for patients presenting with new neuropsychiatric symptoms, particularly in young women. Prompt treatment leads to near complete neurologic recovery in 75% of patients, whereas delays in diagnosis and treatment may be associated with worse outcomes including death.
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Patients with lung cancer present to the emergency department (ED) in a variety of ways. Symptoms are often nonspecific and can lead to a delay in diagnosis. Here, a lung cancer mimicked two illnesses, adding to the diagnostic complexity. This case highlights diagnostic pitfalls as well as advantages and limitations of imaging utilized in the emergency setting. ⋯ We report a case of an occult lung cancer occluding a pulmonary vein, which at first mimicked pneumonia and later a pulmonary embolism (PE) and arterial lung infarction. The patient presented to the ED with cough and a lung opacity on chest radiograph that was treated with antibiotics. However, recurrent visits to the ED with similar complaints were further investigated with computed tomography angiogram (CTA). At first the scan was considered positive for PE. Further inspection revealed that the CTA findings were not typical for PE, but rather a slow flow state likely caused by an occult mass occluding a pulmonary vein with venous infarction. Biopsy revealed a lung adenocarcinoma. In addition to the case presentation, the typical signs of PE on CTA with correlating images and diagnostic pitfalls are discussed. WHY SHOULD AN EMERGENCY PHYSICIAN BE AWARE OF THIS?: This case report raises two themes that can be of interest to emergency physicians. The first is that lung cancer has many guises. Here it mimicked two distinctly different diseases, pneumonia and PE. The second is that, although CTA is highly sensitive and specific for diagnosing PE, it has limitations that may lead to false positive readings. When clinical signs and symptoms fail to correlate with the imaging diagnosis, alternative explanations should be sought.