Disseminated mycobacteriosis caused by Mycobacterium kansasii in a pot-bellied pig

A 1.5-y-old spayed female Juliana pot-bellied pig was presented to the Purdue University Veterinary Teaching Hospital with a history of wasting and anorexia. Enlarged and partially mineralized lymph nodes were identified on radiographs and computed tomography scan. Generalized lymphadenomegaly and disseminated nodules in the lungs, liver, spleen, and kidneys were identified on postmortem examination. Histologic examination revealed caseonecrotic granulomas with numerous intracellular, acid-fast bacilli. Mycobacterium kansasii type II was identified as the etiologic agent by PCR amplification using universal Mycobacterium primers, direct sequencing of the PCR amplicon, and comparison to sequences in GenBank. We describe a case in a pot-bellied pig of mycobacteriosis caused by an atypical mycobacterial species and highlight the important role of laboratory testing in suspected cases of tuberculosis.

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Excessive dynamic airway collapse during general anesthesia: a case report

JA Clinical Reports ◽

10.1186/s40981-020-00380-1 ◽

2020 ◽

Vol 6 (1) ◽

Cited By ~ 2

Author(s):

Shunichi Murakami ◽

Shunsuke Tsuruta ◽

Kazuyoshi Ishida ◽

Atsuo Yamashita ◽

Mishiya Matsumoto

Keyword(s):

General Anesthesia ◽

Airway Pressure ◽

Positive End Expiratory Pressure ◽

Computed Tomography Scan ◽

Case Presentation ◽

Airway Lumen ◽

Asthma Attack ◽

Airway Collapse ◽

History Of ◽

Tomography Scan

Abstract Background Excessive dynamic airway collapse (EDAC) is an uncommon cause of high airway pressure during mechanical ventilation. However, EDAC is not widely recognized by anesthesiologists, and therefore, it is often misdiagnosed as asthma. Case presentation A 70-year-old woman with a history of asthma received anesthesia with sevoflurane for a laparotomic cholecystectomy. Under general anesthesia, she developed wheezing, high inspiratory pressure, and a shark-fin waveform on capnography, which was interpreted as an asthma attack. However, treatment with a bronchodilator was ineffective. Bronchoscopy revealed the collapse of the trachea and main bronchi upon expiration. We reviewed the preoperative computed tomography scan and saw bulging of the posterior membrane into the airway lumen, leading to a diagnosis of EDAC. Conclusions Although both EDAC and bronchospasm present as similar symptoms, the treatments are different. Bronchoscopy proved useful for distinguishing between these two entities. Positive end-expiratory pressure should be applied and bronchodilators avoided in EDAC.

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Are RNA-Based Tests Sufficient for COVID-19 Diagnosis? An Inspiration of Three Asymptomatic Cases

Cell Transplantation ◽

10.1177/0963689720985453 ◽

2021 ◽

Vol 30 ◽

pp. 096368972098545

Author(s):

Tao Hu ◽

Xiao Liu ◽

Qinan Yin ◽

Xingting Duan ◽

Li Yan

Keyword(s):

Computed Tomography ◽

Nucleic Acid ◽

Virus Infection ◽

Severe Acute Respiratory Syndrome ◽

The Other ◽

Computed Tomography Scan ◽

Health Authorities ◽

History Of ◽

Tomography Scan ◽

Nucleic Acid Tests

In this work, we discovered a new phenomenon—asymptomatic COVID-19 infection, or covert case, during the pandemic. All the 3 patients had a history of exposure, with no symptoms, and no abnormalities were found in computed tomography scan or lab tests. Except for case 2, the other patients’ severe acute respiratory syndrome coronavirus 2 (SARS-COV-2) nucleic acid tests were negative. But their anti-SARS-COV-2 nucleocapsid antibody showed a dynamic trend, consistent with the process of virus infection and clearance. A growing number of asymptomatic or covert cases need more attention. Lack of surveillance may lead to another outbreak. We hope to demonstrate our cases to attract the attention of governments or health authorities that covert cases should be the focus as well.

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Role of high-resolution computed tomography scan in the evaluation of cholesteatoma: A correlation of high-resolution computed tomography with intra-operative findings

Indian Journal of Otology ◽

10.4103/0971-7749.155294 ◽

2015 ◽

Vol 21 (2) ◽

pp. 103 ◽

Cited By ~ 3

Author(s):

AshishChandra Agarwal ◽

R Balakrishnan ◽

Kailesh Pujary ◽

Sandeep Sreedhar

Keyword(s):

Computed Tomography ◽

High Resolution ◽

Computed Tomography Scan ◽

High Resolution Computed Tomography ◽

Operative Findings ◽

Tomography Scan

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The role of radioimmunoscintigraphy and computed tomography scan prior to reassessment laparotomy of patients with ovarian carcinoma: A preliminary report

Cancer ◽

10.1002/(sici)1097-0142(19960601)77:11<2286::aid-cncr16>3.0.co;2-t ◽

1996 ◽

Vol 77 (11) ◽

pp. 2286-2293 ◽

Cited By ~ 11

Author(s):

Michael W. Method ◽

Aldo N. Serafini ◽

Hervy E. Averette ◽

Michael Rodriguez ◽

Manuel A. Penalver ◽

...

Keyword(s):

Computed Tomography ◽

Ovarian Carcinoma ◽

Preliminary Report ◽

Computed Tomography Scan ◽

Tomography Scan

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The diverse lives of progenitors of hydrogen-rich core-collapse supernovae: the role of binary interaction

Astronomy and Astrophysics ◽

10.1051/0004-6361/201935854 ◽

2019 ◽

Vol 631 ◽

pp. A5 ◽

Cited By ~ 11

Author(s):

Emmanouil Zapartas ◽

Selma E. de Mink ◽

Stephen Justham ◽

Nathan Smith ◽

Alex de Koter ◽

...

Keyword(s):

Binary Stars ◽

Binary Interaction ◽

Core Collapse ◽

Relative Importance ◽

Type Ii ◽

Population Synthesis ◽

Binary Channel ◽

History Of ◽

Binary Channels

Hydrogen-rich supernovae, known as Type II (SNe II), are the most common class of explosions observed following the collapse of the core of massive stars. We used analytical estimates and population synthesis simulations to assess the fraction of SNe II progenitors that are expected to have exchanged mass with a companion prior to explosion. We estimate that 1/3 to 1/2 of SN II progenitors have a history of mass exchange with a binary companion before exploding. The dominant binary channels leading to SN II progenitors involve the merger of binary stars. Mergers are expected to produce a diversity of SN II progenitor characteristics, depending on the evolutionary timing and properties of the merger. Alternatively, SN II progenitors from interacting binaries may have accreted mass from their companion, and subsequently been ejected from the binary system after their companion exploded. We show that the overall fraction of SN II progenitors that are predicted to have experienced binary interaction is robust against the main physical uncertainties in our models. However, the relative importance of different binary evolutionary channels is affected by changing physical assumptions. We further discuss ways in which binarity might contribute to the observed diversity of SNe II by considering potential observational signatures arising from each binary channel. For supernovae which have a substantial H-rich envelope at explosion (i.e., excluding Type IIb SNe), a surviving non-compact companion would typically indicate that the supernova progenitor star was in a wide, non-interacting binary. We argue that a significant fraction of even Type II-P SNe are expected to have gained mass from a companion prior to explosion.

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Fulminant amoebic colitis in the era of computed tomography scan: A case report and review of the literature

South African Journal of Radiology ◽

10.4102/sajr.v22i1.1354 ◽

2018 ◽

Vol 22 (1) ◽

Author(s):

Suman Mewa Kinoo ◽

Vikesh V. Ramkelawon ◽

Jaynund Maharajh ◽

Bugwan Singh

Keyword(s):

Computed Tomography ◽

Bowel Wall ◽

Abdominal Distension ◽

Review Of The Literature ◽

Computed Tomography Scan ◽

Fulminant Colitis ◽

Bowel Necrosis ◽

Amoebic Colitis ◽

History Of ◽

Tomography Scan

Amoebic colitis, caused by ingestion of water or food contaminated with the protozoan Entamoeba histolytica, can progress to a fulminant colitis. Computed tomography (CT) findings reported in the literature on this type of colitis are sparse. We present a 59-year-old male patient with a one-week history of progressive abdominal pain, abdominal distension and associated watery and bloody diarrhoea. A CT scan revealed deep ulcerations with submucosal and intramural tracking of contrast. Colonoscopy and biopsy confirmed a diagnosis of Amoebic colitis. The patient required a laparotomy and demised. Deep ulcerations with submucosal and intramural tracking of contrast on CT are diagnostic of fulminant amoebic colitis. Although not demonstrated at CT in this case, discontinuous bowel necrosis, omental wrapping (seen at laparotomy in our case) and neovascularisation of the bowel wall may be other features to look out for.

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A successfully treated primary tracheal synovial sarcoma

Proceedings of Singapore Healthcare ◽

10.1177/2010105820948532 ◽

2020 ◽

pp. 201010582094853

Author(s):

Mohamed Faisal Abdul Hamid ◽

Sopian Wahab ◽

Nik Nuratiqah Nik Abeed ◽

Ng Boon Hau ◽

Andrea Ban Yu-Lin

Keyword(s):

Computed Tomography ◽

Airway Obstruction ◽

Synovial Sarcoma ◽

Successful Treatment ◽

Initial Evaluation ◽

Computed Tomography Scan ◽

History Of ◽

Rare Malignancy ◽

Tomography Scan

Primary tracheal synovial sarcoma is a rare malignancy and is usually found incidentally. Tumours can present with cough, dyspnoea, stridor and intermittent haemoptysis. The diagnosis is challenging because it is rare, and the symptoms may mimic other diseases of airway obstruction. A previously well 53-year-old man presented with an eight-month history of cough. He had a history of minimal haemoptysis a few months prior to presentation. Spirometry showed an obstructive pattern, and a computed tomography scan of the thorax revealed an intraluminal tracheal mass. This case highlights that a thorough initial evaluation, including spirometry, leads to an earlier diagnosis and successful treatment of this rare sarcoma.

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