Publications by authors named "Nwabundo Anusim"

Introduction Nasopharyngeal carcinoma (NPC) is a rare malignancy with unique geographical distribution. It is prevalent in East and Southeast Asia and rare in non-endemic countries like the USA. P16 is a tumor suppressor gene and there are limited studies with inconsistent results describing the association of its positivity in immunohistochemistry and clinical outcomes.

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We present a case of a woman in her early 60s with multiple myeloma who, while undergoing treatment with cyclophosphamide, bortezomib and dexamethasone (CyBorD), noticed a whitish nodular swelling on the eyelid. This occurred after one cycle of CyBorD and on subsequent treatment, it also involved the contralateral eyelid. The lesions were initially managed with conservative measures by applying warm compresses, but the lesions progressively increased in size.

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Sickle cell disease is one of the most common inherited hemoglobinopathies diagnosed in the United States. Patients often present with severe anemia, pain crises, infections, and vaso-occlusive phenomena. Complications of these disorders can lead to significant debilitating morbidity and mortality.

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Introduction: Sickle trait (Hb SA) or sickle disease (Hb SS) carries increased risk of venous thromboembolism (VTE). Hb SS patients are young and lack common comorbid conditions that qualify them for VTE prophylaxis (VTEP).

Methods: Retrospective, multicenter analysis of Hb SS/Hb SA adult patients between January 2013 and December 2018.

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Nuclear carcinoma of the testis (NUT) midline carcinoma are rare, poorly differentiated tumors resulting from t(15; 19) rearrangement, clinically characterized by aggressive and rapid progression to death. No optimal treatment regimen has been established for this rare malignancy. Surgery, chemotherapy, and radiation have been used for treatment alone or in combination, depending on location and staging of the disease, and may confer short periods of remission; however, re-emergence of the disease inevitably occurs.

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Sarcomatoid differentiation is a rare and aggressive histologic subtype with poor prognosis, seen in several malignancies. In sarcomatoid renal cell carcinoma (RCC), the degree of sarcomatoid differentiation and the stage at presentation determines the prognosis. Despite resection, chemotherapy and targeted therapy response is modest, with relapse usually occurring within a few months.

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Plasma cell leukemia is rare and could be life-threatening. Even rarer and equally life-threatening is cryoglobulinemia. Both of them occurring together paints a grim clinical picture.

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Background: Lung cancer is one of the leading causes of cancer mortality in the United States. The use of precision medicine in the past 10 years has significantly changed the therapeutic landscape of lung cancer. Management of advanced nonsmall cell lung cancer (NSCLC) has transitioned from a chemotherapeutic approach to targeted treatments and immunotherapeutic agents.

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Unlabelled: The coronavirus disease 2019 (COVID-19) pandemic has caused significant morbidity and mortality worldwide. While patients with COVID-19 most frequently present with pneumonia, respiratory failure and acute respiratory distress syndrome, increasing cases of immune-mediated disorders such as autoimmune thrombocytopenia, haemolytic anaemia and antiphospholipid syndrome have been reported. In this article we describe a rare case of cold agglutinin syndrome (CAS) in a patient with COVID-19.

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Haemophagocytic lymphohistiocytosis (HLH) is a rare condition of uncontrolled immune activation as a result of an inherited genetic defect or in response to malignancy, autoimmune disease, rheumatological disease, AIDS infection or post-transplant immunosuppression. Described here is the case of a 19-year-old Caucasian man who presented with complaints of worsening fever, new-onset jaundice and lethargy after failing treatment for suspected infectious mononucleosis. Physical examination was significant for fever and splenomegaly while laboratory results revealed transaminitis, cytopaenia, indirect hyperbilirubinaemia and elevated ferritin, raising the likelihood of both autoimmune haemolytic anaemia and HLH.

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Recognition of the adverse events of inferior vena cava filters (VCFs) has prompted the Food and Drug Administration (FDA) to issue safety warnings (2010 and 2014), advocating for removal, once the risk of pulmonary embolism has abated. Despite an initial increase in retrieval rates, these remain low (25-30% at 1 year in 2014). We retrospectively investigated retrieval trends in adults with VCFs placed between 2015 and 2018 at a single institution.

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We report a case of extranodal mantle cell lymphoma of the testis in a 72-year-old Caucasian man who presented to his physician's office with rapidly enlarging left testicular mass and skin lesions which were subsequently biopsy-proven to be mantle cell lymphoma. We discuss the clinicopathological features and current management in relapsed and refractory settings of this rare presentation of mantle cell lymphoma.

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A 28-year-old primigravida was evaluated for complaints of difficulty urinating and pelvic pain of 6-weeks duration. She denied fever, night sweats, weight loss or fatigue. Pelvic ultrasonography revealed a single fetal pole with cardiac activity and a 7 cm mass in the anterior vagina which encased the urethra.

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Article Synopsis
  • - A 84-year-old woman from a care facility presented with confusion and breathing issues, and lab tests showed a very high white blood cell count and low platelet count, raising concerns for acute leukemia.
  • - A blood smear revealed signs of infection rather than leukemia, so a CT scan of her abdomen indicated toxic megacolon.
  • - She underwent emergency surgery for a colectomy, and pathology confirmed a severe infection, which was treated successfully with antibiotics, leading to her clinical recovery.
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Clindamycin is a bacteriostatic lincosamide antibiotic with a broad spectrum. Side effects include nausea, vomiting, diarrhea, and metallic taste; however, hepatotoxicity is rare. The incidence is unknown.

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Renal cell carcinoma (RCC) has unusual presentation affecting elderly males with a smoking history. The incidence of RCC varies while the incidence of spread of RCC to the clivus is rare. The typicality of RCC presentation includes hematuria, flank pain, and a palpable flank mass; however, RCC can also present with clival metastasis.

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Hairy cell leukemia is a rare lymphoid neoplasm arising from mature B-lymphocytes. Clinically, the disease presents with splenomegaly and abdominal discomfort, frequent infections, fatigue and bleeding because of related cytopenias. Bone marrow biopsy is essential for diagnosis.

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Malignant mesothelioma (MM) is an aggressive cancer that has been closely linked to asbestos exposure. Initially recognized as an occupational cancer in male workers, MM was later found to occur in their family members as well. We report the case of an 89-year-old female who presented with abdominal distention, pain, and findings consistent with malignant ascites.

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