Biomedical subjects

Tasneem A Lalani

Publications and source records attributed to Tasneem A Lalani.

4 recordsLinked to original sources

PubMed2004

Role of computed tomography and magnetic resonance imaging for deep venous thrombosis and pulmonary embolism.

During the 1990s, computed tomography (CT) and magnetic resonance (MR) imaging underwent extensive technological advancement and expanded clinical use in patients with venous thromboembolic disease, particularly with regard to evaluation of the pulmonary vasculature. In many institutions, helical (spiral) CT pulmonary angiography has become the initial imaging study of choice to evaluate patients with suspected pulmonary embolism, supplanting ventilation/perfusion scintigraphy. In addition, CT venography of the pelvis and lower extremities is often incorporated into the CT angiography protocol to identify or exclude concurrent deep venous thrombosis. MR pulmonary angiography and MR venography are second-line diagnostic tools because of their higher cost, limited availability, and other logistical constraints. As the technology improves and becomes more widely available, MR imaging may play a greater role in the evaluation of patients with venous thromboembolic disease.

Angiography↗

PubMed2004

Jacuzzi jet-induced pneumoperitoneum.

Pneumoperitoneum outside the setting of recent surgical intervention usually indicates perforation of the gastrointestinal tract. Following radiologic evidence of pneumoperitoneum, surgical exploration of the abdomen may be indicated depending on the nature of the patient's presentation. We present the radiological findings of a healthy young woman who presented with acute onset of abdominal pain and was found to have extensive pneumoperitoneum. No visceral disruption was evident by multidetector CT or by single-contrast barium fluoroscopic evaluation of the upper gastrointestinal tract. Knowledge of benign causes of pneumoperitoneum by the radiologist may avert an unnecessary laparotomy.

Female↗

PubMedDate not supplied

The placenta revisited: radiologic-pathologic correlation.

The placenta is the central support organ for the developing fetus. Recognition of placental variants and insignificant findings is important so as not to suggest an abnormality when one is not present. However, the degree of abnormality, as well as the clinical implications of the findings, must be understood to help guide management of the pregnancy. This article reviews the normal sonographic appearance of the placenta and some anatomic variants, in addition to illustrating various common pathological conditions of the placenta and correlating with gross pathologic and histologic specimens.

Female↗

PubMedDate not supplied

Imaging findings in systemic lupus erythematosus.

Systemic lupus erythematosus (SLE) is an unusually complex autoimmune disease that is encountered in every radiology subspecialty because of its multisystem involvement and the wide age range of affected patients. There are no universally accepted diagnostic imaging criteria for SLE, and in fact, many SLE patients present with systemic findings and laboratory abnormalities and do not require imaging. Nevertheless, radiology plays an ancillary role in the diagnosis and management of this often insidious disease, and knowledge of the spectrum of radiologic findings in SLE and its complications is crucial for proper image interpretation. Imaging is often performed in patients with a known diagnosis of SLE to determine the extent and severity of disease, which depend on the extent of organ involvement, and to monitor complications. In addition, imaging may be important in selected patients with diseases such as pneumonia who present with atypical symptoms due to immunosuppressive therapy.

Adolescent↗