Domnique S. Newallo

Molecular Imaging of Parkinson’s Disease

Gbenga Shogbesan, Harry W. Schroeder, Domnique S. Newallo, Lance T. Hall

Molecular imaging techniques using PET or SPECT have provided major insights into not only objective diagnosis of Parkinson's disease(PD), but also understanding the pathophysiological process in the disease progression. At disease onset, a compensatory hyperactivity of dopa decarboxylase in the nigrostriatal and …

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Metastatic NUT midline carcinoma

Domnique S. Newallo

NUT Midline Carcinoma (NMC) is a rare carcinoma that presents with rearrangement to the NUTM1 (NUT) gene. NMC predominately affects adolescents

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The Role of SPECT/CT in Peritoneal Scintigraphy in the Era of Low-Dose Imaging: A Case Report

Domnique S. Newallo, Michara Chataigne, Saima Muzahir

Peritoneal scintigraphy, although rarely used, plays a vital role in the diagnosis of peritoneal dialysis catheter complications. Reported complications include spontaneous hydrothorax secondary to a pleuroperitoneal fistula, which requires the abandonment of peritoneal dialysis, given that a delay in diagnosis can lead …

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Rare presentation of inflammatory pseudotumour involving subcutaneous tissues with superficial fat sparing

Domnique S. Newallo, Adam J. Perricone, Dania Hussain, Saima Muzahir

We present a unique case of inflammatory pseudotumour involving gluteal subcutaneous tissue with the sparing of superficial fat and report its contrast-enhanced CT, F-18 fluorodeoxyglucose positron emission tomography/CT and pathological findings. Although rare, inflammatory pseudotumours have been reported with a diverse spectrum …

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Graft-Versus-Host Disease Presenting as a Myositis and Myonecrosis

Dhruv M. Patel, Domnique S. Newallo, Bruce Barron

Graft-versus-host disease (GVHD) is a major complication of bone marrow transplantation. Polymyositis with myonecrosis is a rare manifestation of GVHD. Here, we report the case of a 32-year-old man with acute myeloid leukemia who developed GVHD after transplant. He subsequently developed polymyositis, …

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Priming the Trainee to Interpret Lung SPECT Imaging

Domnique S. Newallo, David C. Brandon

1146 Objectives: From the beginning, a radiology trainee is expected to help the clinical day run smoothly by advising referring clinicians, patients, technologists, and others regarding a wide variety of issues within the multiple modalities of radiology, including nuclear medicine. The best …

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Best Practices in Pulmonary Embolism Diagnosis During Pregnancy

Domnique S. Newallo, Erin E. Grady

1146 Objectives: 1. Evaluate clinical presentation of pregnant patients with pulmonary embolism. 2. Review current recommendations for diagnosis and management of pulmonary embolism during pregnancy. 3. Review indications for V/Q scintigraphy versus pulmonary CTA. 4. Examine special considerations for radiation exposure during …

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Mammographic detection of breast arterial calcification as an independent predictor of coronary atherosclerotic disease in a single ethnic cohort of African American women

Domnique S. Newallo, Felix G. Meinel, Uwe Joseph Schoepf, Stefan Baumann et autres

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Tandem mass spectrometry and density functional theory of RDX fragmentation pathways: Role of ion–molecule complexes in loss of NO 3 and lack of molecular ion peak

Yassin Aweis Jeilani, Kameron A. Duncan, Domnique S. Newallo, Albert N. Thompson et autres

RATIONALE: Hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) is an explosive compound that finds a wide range of military and civilian applications. RDX has been a target in environmental matrices by gas chromatography/tandem mass spectrometry (GC/MS/MS). MS/MS in negative chemical ionization (NCI) mode of RDX provides important …

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Free radical routes for prebiotic formation of DNA nucleobases from formamide

Yassin Aweis Jeilani, Huyen Thi Nguyen, Domnique S. Newallo, Jean‐Marie D. Dimandja et autres

Modeling the complicated chemical reactions in the interstellar medium and surface materials of Titan is nontrivial. Since both the atmosphere and the surface are rich in organic molecules, the chemistry may have important implications for the origin of biomolecules. Prebiotic synthesis of …

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