Evaluation of the thymus poses a challenge to the radiologist. In addition to age-related changes in thymic size, shape, and tissue composition, there is considerable variability in the normal adult thymic appearance within any age group. Many different types of disorders may affect the thymus, including hyperplasia, cysts, and benign and malignant neoplasms, both primary and secondary; clinica...

It is a diagnostic problem to distinguish thymic rebound or rebound thymic hyperplasia from thymic malignancy, but it is frequently made more difficult because most patients have had previous malignancies. Recently we evaluated a six-year-old girl with thymic rebound after chemotherapy for lymphoma, by both gallium-67 and thallium-201 scans. On gallium-67 scan, intensive uptake was seen in the ...

BACKGROUND We present the findings from the largest hospital-based studies on myasthenia gravis from India, using data collected over a period of 43 years from the Neurology Department in a tertiary referral center in India. OBJECTIVES To study the clinical presentation, age at onset, gender distribution, serological status and thymic pathology in patients with myasthenia gravis. MATERIALS ...