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Depending on the clinical situation of SARS-CoV-2 infection and/or vaccination, different antibody titres should be determined.The SARS-CoV-2 nucleocapsid antibodies provide information on whether or not natural immunization has taken place. To quantify the immune response induced by vaccination, the SARS-CoV-2 spike antibody titre before and after vaccination has to be measured.

Patients with naturally acquired immunity might develop a prolonged systemic reaction after receiving an mRNA SARS-CoV-2 vaccine.Depending on the clinical situation of SARS-CoV-2 infection and/or vaccination, different antibody titres should be determined.The SARS-CoV-2 nucleocapsid antibodies provide information on whether or not natural immunization has taken place. To quantify the immune response induced by vaccination, the SARS-CoV-2 spike antibody titre before and after vaccination has to be measured.A 39-year-old man presented with severe COVID-19 pneumonitis requiring hospital admission. He represented three days following discharge with sudden onset breathlessness and chest pain. Initial imaging suggested the presence of a left pneumothorax. Following further clinical decline a plan was made to insert a CT guided chest drain. However, imaging in the prone position for the procedure unexpectedly revealed a large left lower lobe pneumatocele with only a very small pneumothorax. Events and appearances suggest that this is a rare case of delayed COVID-19 pneumonitis-related pneumatocele formation. We will discuss the clinical significance of this entity.

Pneumatocele formation should be considered in patients presenting with new respiratory symptoms after completing therapy for COVID-19 pneumonitis.Performing CT examinations with patients in different positions may be required to help exclude the possibility of pneumatocele formation when a loculated pneumothorax is suspected on the supine CT images.

Pneumatocele formation should be considered in patients presenting with new respiratory symptoms after completing therapy for COVID-19 pneumonitis.Performing CT examinations with patients in different positions may be required to help exclude the possibility of pneumatocele formation when a loculated pneumothorax is suspected on the supine CT images.Klebsiella spp community-acquired meningitis caused by hypervirulent strains is well described as part of a distinct syndrome consisting of liver abscess and multiple septic metastatic lesions (Klebsiella pneumoniae invasive syndrome) occurring usually in diabetic, alcoholic, elderly or cancer patients, in Taiwan and other South-East Asian countries. In Western countries, these infections are very rare in natives and usually occur in patients of Asian origin. We report three cases of Filipino-origin patients, residents of Greece, with community-acquired invasive Klebsiella meningitis, who were treated in our ICU over a 10-year period.

Community-acquired

spp meningitis has a very bad prognosis.A physician must suspect an invasive Klebsiella infection in patients of Asian origin, even though they are residents of Western countries and have not visited their homeland recently.

Community-acquired Klebsiella spp meningitis has a very bad prognosis.A physician must suspect an invasive Klebsiella infection in patients of Asian origin, even though they are residents of Western countries and have not visited their homeland recently.Plasmablastic lymphoma (PBL) commonly presents as a primary (de novo) oral or extraoral mucocutaneous or nodal mass lesion in patients with HIV/AIDS. PBL developing as a secondary malignancy at the same location as a pre-existing tumour is extremely rare and has never been reported in association with longstanding or recurrent anal condyloma. A Buschke-Löwenstein tumour is a rare gigantic, locally destructive condyloma that is usually located in the anogenital region. Selleck Quizartinib We report a case of a diagnostically and therapeutically challenging PBL that presented as a rapidly enlarging mass underlying a giant condyloma, thereby mimicking a benign Buschke-Löwenstein tumour. Clinical suspicion was further masked by the co-presence of fistulae in ano and adjacent abscess pockets at the time of diagnosis. By the time of final diagnosis, the lymphoma had disseminated to regional lymph nodes, a month later to pleural cavities and 4 months later to the leptomeninges and bilateral kidneys, leading to permanent deferral of chemotherapeutic intervention.

Plasmablastic lymphoma presenting as a secondary tumour in a patient with pre-existing giant anal condyloma has not been reported previously in the literature.Unusual clinical presentation of a recurrent giant condyloma, especially rapid growth and significant change in physical appearance, should kindle a high index of suspicion for a secondary aggressive tumour.Plasmablastic lymphoma disseminates early and rapidly, which complicates its response to treatment.

Plasmablastic lymphoma presenting as a secondary tumour in a patient with pre-existing giant anal condyloma has not been reported previously in the literature.Unusual clinical presentation of a recurrent giant condyloma, especially rapid growth and significant change in physical appearance, should kindle a high index of suspicion for a secondary aggressive tumour.Plasmablastic lymphoma disseminates early and rapidly, which complicates its response to treatment.Background  Biliary tract cancers (BTCs) are a rare group of cancers with limited data with respect to advanced unresectable cholangiocarcinoma (CCA). Materials and Methods  The study is a retrospective study of patients with advanced unresectable/metastatic CCA, who received first-line palliative chemotherapy (CT1) from January 2014 to March 2019 at the Tata Memorial Hospital, Mumbai. Baseline clinical characteristics, chemotherapeutic regimens, and toxicities were evaluated. Results  One hundred and forty patients satisfied criteria for evaluation. Median age of the entire cohort was 57 years (range 32-80). There were 87 patients (62.1%) with intrahepatic CCA, 35 patients (25%) with perihilar CCA, and 14 patients (10%) with distal CCA. One hundred and twelve patients (80%) had metastatic disease at presentation. Commonest CT1 regimens were gemcitabine-cisplatin (GC) in 89 patients (63.5%) and gemcitabine-oxaliplatin (GO) in 34 patients (24.3%). Sixty-three patients (45%) received second-line chemotherapy. With a median follow-up of 27 months, median progression-free survival for the entire cohort was 7.