Imaging of Acute Mastoiditis
🩺 Introduction Acute mastoiditis is a suppurative infection of the mastoid air cells, usually a complication of acute otitis media (AOM). Radiology helps confirm diagnosis, assess extent, and detect life-threatening…
Imaging of Orbital and Internal Auditory Canal Anomalies
Introduction Congenital anomalies of the orbit and internal auditory canal (IAC) can present with vision loss, hearing loss, strabismus, or cosmetic deformity. CT and MRI are complementary: CT → bony…
CT Neck Spaces Anatomy and Parapharyngeal Space Lesions
Introduction Cross-sectional imaging, especially contrast-enhanced CT (CECT) and MRI, is crucial in evaluating neck masses. Understanding the deep neck spaces is the first step in narrowing the differential diagnosis. Among…
Imaging in Multiple Myeloma: A Radiology Overview
Introduction Multiple myeloma (MM) is a plasma cell malignancy characterized by bone marrow infiltration, osteolytic lesions, and systemic complications (CRAB: hyperCalcemia, Renal dysfunction, Anemia, Bone lesions).Radiology plays a central role…
Osteosarcoma vs Ewing Sarcoma vs Bone Metastasis: Imaging Features Compared
Introduction When evaluating an aggressive bone lesion, radiologists often face a diagnostic challenge: Osteosarcoma, Ewing sarcoma, or Metastasis?These entities can appear similar but have distinct imaging clues that guide diagnosis,…
Osteoid Osteoma Imaging Features: Radiology Teaching Guide
Introduction Osteoid osteoma is a benign bone-forming tumor, usually <2 cm, that classically affects young males (10–30 years). It causes night pain relieved by NSAIDs (due to prostaglandin release).Radiology is…
Bone Tumor Evaluation Algorithm in Radiology
Introduction Bone tumors range from benign lesions like enchondromas to aggressive primary sarcomas. Differentiating them correctly is essential for patient management.Radiology provides the first step in evaluation, guiding further imaging,…
Imaging of Juvenile Idiopathic Arthritis (JIA)
Introduction Juvenile Idiopathic Arthritis (JIA) is the most common chronic rheumatologic disease in children, characterized by persistent joint inflammation before age 16, lasting more than 6 weeks.Radiology plays a vital…
Thoracic Inlet Anatomy
Introduction The thoracic inlet (also called the superior thoracic aperture) is the opening at the top of the thoracic cavity, through which major vascular, respiratory, lymphatic, and neural structures pass…
CERVICAL FASCIAL SPACES ON CT AND MRI
Introduction The neck contains multiple potential spaces formed by the layers of deep cervical fascia. These fascial spaces act as natural boundaries for the spread of infection, tumors, or fluid…