Naveed Ahmad, MDDigital X-RayProper positioning for the pelvis and proximal femurAn anteroposterior unilateral hip study is usually ordered to demonstrate the acetabulum, femoral head and neck, and the greater trichinae, but it's frequently insufficient for proper evaluation. Dr. Naveed Ahmad discusses the special radiographic projections required for optimal imaging of these areas.August 7, 2003Clinical NewsThe lowdown on lumbar spine positioningDr. Naveed Ahmad breaks down the standard radiographic examination for evaluating the lumbar spine in the fifteenth installment of our series on radiographic positioning techniques. His review includes the anteroposterior, lateral, and oblique projections, supplemented by coned-down lateral films of the lumbosacral junction (L5-S1).June 18, 2003Radiologic TechnologistRadiographic positioning techniques for the cervical spineDr. Naveed Ahmad takes you through common routine cervical projections for imaging the cervical spine, including the anteroposterior (AP), AP open mouth, and lateral, as well as the less familiar oblique projections.March 25, 2003Clinical NewsBoning up on humerus, clavicle, and AC joint positioningDr. Naveed Ahmad breaks down the basic components of x-ray imaging of the humerus. In addition to covering anteroposterior and lateral radiographs, Dr. Ahmad explains how to work with a patient in the supine or upright position, as well as the differences between the Pearson and Alexander methods.February 17, 2003Clinical NewsGetting the most from shoulder positioningDr. Naveed Ahmad discusses the best radiographic positioning for imaging the shoulder girdle and the joints of the shoulder girdle.December 23, 2002Digital X-RayThe bends and flexures of forearm and elbow x-ray positioningRadiography of the forearm is performed using both anteroposterior and lateral projections, which demonstrate the elbow joint, the radius and ulna, and the proximal row of slightly distorted carpal bones. Dr. Naveed Ahmad reviews the technical components of forearm imaging.November 20, 2002Radiologic TechnologistThe twists and turns of hand and wrist x-ray positioningDr. Naveed Ahmad guides you through the radiographic examination of the hand and wrist, using posteroanterior (PA), oblique, and lateral projections.October 14, 2002Radiologic TechnologistDigit imaging requires diligent positioningThe x-ray of the hand is still a frontline tool used for diagnostic purposes. Dr. Naveed Ahmad offers tips on obtaining a quality hand radiographic image by combining proper technique and attention to patient positioning.September 16, 2002CTPatient positioning techniques for a lower gastrointestinal seriesAlong with colonoscopy, the barium enema remains the standard method of diagnosing colon cancer, ulcerative colitis, and other inflammatory diseases of the colon. Dr. Naveed Ahmad discusses the two basic radiological methods of examining the large intestine by means of contrast enemas.June 26, 2002Radiology EducationPatient positioning tips for a premium UGI seriesThe upper gastrointestinal procedure includes radiographic and fluoroscopic evaluation of the esophagus, stomach, and duodenum while the patient is drinking a barium solution. Dr. Naveed Ahmad details the steps necessary for obtaining successful single-contrast, double-contrast, and biphasic upper gastrointestinal examination images.April 16, 2002Page 1 of 2Next PageTop StoriesCardiac ImagingECR: Cardiac imaging is at the 'heart' of precision medicineThe heart beats 2.5 billion times in a person's lifetime and "never has a day off," presenter Michelle Williams, PhD, noted.UltrasoundUltrasound MinnieCast, Episode 3: Focused ultrasound brings hope to patientsWomens ImagingECR: LLMs help patients understand breast imaging reportsCTDL segmentation of chest muscle volume shows promise for COPD patientsCareersHPI: Workforce attrition higher in radiology subspecialties
![Images show the pectoralis muscles of a healthy male individual who never smoked (age, 66 years; height, 178 cm; body mass index [BMI, calculated as weight in kilograms divided by height in meters squared], 28.4; number of cigarette pack-years, 0; forced expiratory volume in 1 second [FEV1], 97.6% predicted; FEV1: forced vital capacity [FVC] ratio, 0.71; pectoralis muscle area [PMA], 59.4 cm2; pectoralis muscle volume [PMV], 764 cm3) and a male individual with a smoking history and chronic obstructive pulmonary disorder (COPD) (age, 66 years; height, 178 cm; BMI, 27.5; number of cigarette pack-years, 43.2, FEV1, 48% predicted; FEV1:FVC, 0.56; PMA, 35 cm2; PMV, 480.8 cm3) from the Canadian Cohort Obstructive Lung Disease (i.e., CanCOLD) study. The CT image is shown in the axial plane. The PMV is automatically extracted using the developed deep learning model and overlayed onto the lungs for visual clarity.](https://img.auntminnie.com/mindful/smg/workspaces/default/uploads/2026/03/genkin.25LqljVF0y.jpg?auto=format%2Ccompress&crop=focalpoint&fit=crop&h=167&q=70&w=250)
![Images show the pectoralis muscles of a healthy male individual who never smoked (age, 66 years; height, 178 cm; body mass index [BMI, calculated as weight in kilograms divided by height in meters squared], 28.4; number of cigarette pack-years, 0; forced expiratory volume in 1 second [FEV1], 97.6% predicted; FEV1: forced vital capacity [FVC] ratio, 0.71; pectoralis muscle area [PMA], 59.4 cm2; pectoralis muscle volume [PMV], 764 cm3) and a male individual with a smoking history and chronic obstructive pulmonary disorder (COPD) (age, 66 years; height, 178 cm; BMI, 27.5; number of cigarette pack-years, 43.2, FEV1, 48% predicted; FEV1:FVC, 0.56; PMA, 35 cm2; PMV, 480.8 cm3) from the Canadian Cohort Obstructive Lung Disease (i.e., CanCOLD) study. The CT image is shown in the axial plane. The PMV is automatically extracted using the developed deep learning model and overlayed onto the lungs for visual clarity.](https://img.auntminnie.com/mindful/smg/workspaces/default/uploads/2026/03/genkin.25LqljVF0y.jpg?auto=format%2Ccompress&crop=focalpoint&dpr=2&fit=crop&h=167&q=70&w=250)
