Primary ovarian leiomyoma is a rare benign tumour of the ovary, which is seen in women who are aged between 20 years to 65 years. Ovarian leiomyomas can be confused with other spindle cell tumours which display gross anatomical and histological similarities. A case of a primary leiomyoma of the ovary in a pre-menopausal female is being presented here, due to its huge size and unusual presentation.
4876 Pneumocystis jirovecii is an opportunistic pathogen responsible for severe pneumonia in immunocompromised patients. Management of this pneumonia remains a major challenge for all physicians caring for immunosuppressed patients. The prognosis of Pneumocystis jirovecii pneumonia (PCP) with acute respiratory failure is traditionally known to be poor. We report a case of PCP in a child with recently diagnosed childhood Precursor B cell Acute Lymphoblastic Leukemia (ALL). Course was complicated with acute respiratory failure showing hypoxemia, respiratory failure requiring intubation and reduced compliance resembling ARDS. Our Patient, 8 weeks into chemotherapy for newly diagnosed ALL, presented with high grade fevers and poor activity. Patient was admitted 3 weeks prior for Bacillus cereus bacteremia. Additionally the patient had been on broad spectrum antibiotics on 2 occasions for febrile neutropenia episodes within the past 2 weeks. Patient had minimal respiratory symptoms at this presentation and recovered from pancytopenia at the time of this presentation. CT scans and chest x-ray (Figures 1 and 2) showed diffuse marked ground glass opacities with dependent consolidation in the lungs. On day 3 of admission, bronchoalveolar lavage (BAL) was preformed and empiric trimethoprim-sulfamethoxazole was initiated in addition to broad spectrum antibacterial, antifungal and antiviral medications. Within 24 hours, patient rapidly deteriorated with significant respiratory distress and hypoxemia requiring intubation. Clinical and radiologic findings were suggestive of ARDS. Patient required significant ventilatory support, fluid restriction, diuretics, and steroids. PCR testing of BAL fluid was reported as positive for Pneumocystis jirovecii. By hospital day 6 the patient was still requiring a fair amount of respiratory support. Corticosteroids had been added but concern amongst some members of the team surrounded possible lack of efficacy of trimethoprim-sulfamethoxazole. Review of published case reports suggested that addition of caspofungin provided salvage therapy in cases where trimethoprim-sulfamethoxazole was believed to be suboptimal. Caspofungin was added to this patient's treatment. However, liver trans-aminases experienced a 2–3 fold increase within 72 hours after initiating caspofungin. Caspofungin was withdrawn but the patient's condition gradually improved and was extubated 7 days later. Also of note, there have been wide spread regional and national shortages of intravenous trimethoprim-sulfamethoxazole preparations. We were forced to convert to oral therapy several days after extubation. The patient continued to improve and had no signs of complications or increased morbidity from this conversion; however, this was a continued concern during his treatment. A Pub Med review of the literature reveals very little failure of trimethoprim-sulfamethoxazole prophylaxis in the non-HIV immunocompromised population. Further, studies in Denmark, Italy, and the UK reveal that trimethoprim-sulfamethoxazole prophylaxis in children with ALL also decreases the number of febrile and bacteremic incidents. Trimethoprim-sulfamethoxazole also has advantages over other prophylactic choices against Pneumocystis jirovecii with fewer side effects such as methemoglobinemia induced by dapsone for example. Other studies from the UK, US, and Denmark stress that the early diagnosis and treatment with appropriate antimicrobials and possibly corticosteroids has a better outcome in this frequently fatal complication of immunosupressed patients. This case stresses the need for continued patient education regarding adherence to prophylactic regimens, early diagnosis and suspicion of opportunistic organisms such as Pneumocystis jirovecii, and prompt diagnosis and treatment of the same.Figure 1.Ground Glass Opacities on CT ChestFigure 1. Ground Glass Opacities on CT ChestFigure 2.Chest x-ray infiltratesFigure 2. Chest x-ray infiltrates Disclosures: No relevant conflicts of interest to declare.
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