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The great majority of patients admitted to the intensive care unit (ICU) for critical gastrointestinal bleeding (GIB) will have a predictable etiology. Once the site is localized to the upper versus the lower gastrointestinal tract, the number of typically encountered etiological possibilities is quite limited. On rare occasions, the cause of GIB requiring ICU care is not one of the standard considerations, potentially leading to diagnostic and therapeutic delays. Within a short time period, three patients were admitted to our institution's medical ICU each with a different unexpected cause of GIB. All three cases generated a variety of instructive images, which are used in the present series to illustrate these conditions and the role of radiology in their evaluation and management. [ABSTRACT FROM AUTHOR]

• Despite a superficial resemblance, care should be taken not to reflexively conflate COVID-19 lung disease with the more familiar entity of ARDS. • There is reason to believe that there are histopathological differences between COVID-19 lung disease and ARDS known to complicate influenza • From the pulmonology perspective, this distinction has major treatment implications. • The argument for corticosteroid use, which is ineffective in ARDS caused by influenza, in COVID-19 lung disease rests on this separation. The SARS-CoV-2 pandemic has introduced the medical community to a lung disease heretofore unknown to most clinicians. In much of the discourse about COVID-19 lung disease, the more familiar clinical entity of ARDS has been used as the guiding paradigm. Reflecting on studies in ARDS, particularly that due to influenza, and on data from the SARS-CoV and MERS epidemics, many authorities, including within the discipline of infectious diseases, were initially passionate in their opposition to the use of corticosteroids for lung involvement in COVID-19. The voice of the pulmonology community—the community of lung experts—has continued to be among the quietest in this conversation. Herein we offer our perspective as academic pulmonologists who encountered COVID-19 in its first United States epicenter of New York City. We encourage a conceptual separation between early COVID-19 lung involvement and ARDS. We draw on history with other immune cell-mediated lung diseases, on insights from the SARS-CoV experience, and on frontline observations in an attempt to allay the skepticism towards corticosteroids in COVID-19 lung disease that is likely to persist even as favorable study results emerge. [ABSTRACT FROM AUTHOR]

Tuberculosis and sarcoidosis are both granulomatous diseases centered on the lung but capable of myriad extrapulmonary manifestations. Because of substantial similarity in their presentations, these two entities can be notoriously challenging to differentiate. This can be particularly true of countries in which tuberculosis is rarely encountered because of a reflexive tendency to ascribe granulomatous inflammation in the lung to sarcoidosis, especially if the granulomas are non-necrotizing. However, as our case from a non-endemic country reminds, sarcoidosis can be comfortably diagnosed only after convincing exclusion of infectious causes of granulomas. Distinguishing these two diseases is of utmost importance as, despite their overlapping presentations, they have completely non-overlapping treatments which can lead to harm if erroneously applied. At the end of our discussion, we summarize the clinical features favoring one diagnosis over the other. [ABSTRACT FROM AUTHOR]

Background: The aging of the US population has been associated with an increase in intensive care unit (ICU) utilization and correspondingly, invasive mechanical ventilation (IMV) among the oldest-old (age ≥80 years). While previous studies have examined ICU and IMV outcomes in the elderly, very few have focused on patient-centered outcomes, specifically home return, in the oldest-old. We investigated the rate of immediate home return following IMV in the medical ICU in previously home-dwelling oldest-old patients relative to that of a comparison group of 50-70-year olds. Methods: Data were extracted retrospectively from patient records at Elmhurst Hospital Center in Elmhurst, NY, USA, encompassing the period from January 2009 to May 2014 and Jacobi Medical Center in the Bronx, NY, USA, from January 2010 to March 2014. Medical ICU admissions within those date ranges were screened for possible inclusion into one of two study groups based on age: ≥80 years old and 50-70 years old. The primary end point was hospital discharge: home return versus no home return (death or nonhome discharge). Cox proportional hazards' regression models were used to estimate crude and multivariable-adjusted hazard ratios (HRs) with 95% confidence intervals (CIs) for failure to return home. Results: A total of 375 patients were included in the analysis: 279 (74%) patients aged 50-70 years and 96 (26%) patients aged ≥80 years. Compared to 50-70-year olds, being ≥80 years old was associated with a nearly two-fold greater risk of no home return: adjusted HR: 1.96,95% CI 1.43-2.67. The oldest-old was at significantly increased risk of both being discharged to a skilled nursing facility or subacute rehabilitation (adjusted HR: 2.19,95% CI 1.33-3.59) as well as of dying in the hospital (adjusted HR: 1.81,95% CI 1.21-2.71). Conclusion: Previously home-dwelling oldest-old are at significantly increased risk of failing to return home immediately following medical ICU admission with IMV as compared to patients aged 50-70 years. These results can help medical ICU staff establish appropriate expectations when addressing the families of their oldest patients. Further studies are needed to evaluate the potential for delayed home return among the oldest old and to assess the ability of frailty indices to predict home return within this ICU population. [ABSTRACT FROM AUTHOR]

We report the first known case of malignant pleural effusion (MPE) as the sole presenting feature of clinically occult primary fallopian tube carcinoma (PFTC). A 57-year-old healthy woman was admitted with dyspnea. Evaluation demonstrated a right pleural effusion, fluid of which was malignant. The immunohistochemical profile, including negative calretinin, favored metastatic adenocarcinoma over mesothelioma but could not identify the primary tumour site. Pleural biopsy was not pursued as it would not have helped localize the primary. Chest, abdomen and pelvic computed tomography (CT) demonstrated only borderline lymphadenopathy in the left para-aortic lymph node chain that was hypermetabolic on positron emission tomography. Ultrasound and CT showed normal adnexal anatomy. These findings, coupled with an elevated serum CA-125, prompted empiric neoadjuvant chemotherapy targeting epithelial ovarian carcinoma (EOC) followed by surgery, which revealed a tiny left PFTC with negative peritoneal washings. Sampled left para-aortic lymph nodes were positive. The pleural effusion resolved after chemotherapy. Malignant pleural disease without peritoneal involvement is more characteristic of PFTC than of EOC, in which MPE is common but almost always accompanies peritoneal carcinomatosis. The extensive lymphatic supply of the fallopian tube promotes distant metastasis of small, seemingly localized tumours. This case is a reminder that the clinician should not be dissuaded from considering carcinoma of Müllerian origin, especially PFTC, as the cause of a MPE even in the face of normal gynecologic imaging. Appropriately broad immunohistochemical staining and careful attention to even minimal lymphadenopathy can be invaluable in pinpointing the primary tumour site in such patients. [ABSTRACT FROM AUTHOR]

Urinary bladder carcinoma (UBC) is the ninth most common malignancy and the second most common urological malignancy after prostate cancer in men. Thoracic metastases occur in more than half of those with muscle-invasive disease, and these generally assume the form of multiple solid parenchymal lesions characteristic of hematogenous seeding of the lung. Unusual patterns of thoracic spread of UBC have also been described albeit sporadically in the form of case reports and series. The aim of our case series is to provide illustrations of several atypical patterns of thoracic involvement by UBC such as isolated mediastinal lymphadenopathy, cavitary lung metastases, malignant pleural effusion, endobronchial disease, and pulmonary tumor embolism. This review is meant to highlight the intersection of the fields of urological oncology and thoracic radiology in the care of patients with UBC. [ABSTRACT FROM AUTHOR]

Klebsiella pneumoniae is an increasingly recognized cause of a unique invasive syndrome manifesting as pyogenic liver abscess and hematogenous extrahepatic dissemination to a variety of sites, including the lung. Originally described only in Asia, this entity has now been reported across continents and ethnicities. Intrathoracic complications of invasive Klebsiella pneumoniae liver abscess syndrome (IKPLAS) have been characterized sporadically but have not been the subject of an all-encompassing investigation. Review of the English-language literature yields no reports of the acute respiratory distress syndrome as a consequence of IKPLAS. Herein we report what, to our knowledge, is the first such description. [ABSTRACT FROM AUTHOR]