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Marfan Syndrome and Ectopia Lentis: The Hidden MRI Finding Behind Progressive Vision Loss | Medical Imaging Guide.

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Marfan Syndrome and Progressive Vision Loss: A Radiology Case Every Clinician Should Know A 33-year-old woman with a known history of Marfan syndrome presented with progressive bilateral visual loss over several months. Initially, her symptoms appeared to be primarily ophthalmologic. However, advanced medical imaging revealed a striking diagnosis: bilateral posterior lens dislocation (ectopia lentis). This case highlights the critical role of medical imaging, MRI interpretation, and multidisciplinary diagnosis in patients with connective tissue disorders. Although Marfan syndrome is widely recognized for its cardiovascular complications, radiologists frequently encounter imaging manifestations involving the eyes, skeleton, lungs, and vascular system. Understanding these findings is essential because early diagnosis can prevent irreversible visual impairment and life-threatening cardiovascular complications. Clinical Case Presentation A 33-year-old female with known Marfan syndrome pres...
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Pulmonary Artery Sarcoma vs Pulmonary Embolism: Critical CT and MRI Clues for Accurate Diagnosis

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Primary Pulmonary Artery Sarcoma: The Rare Vascular Malignancy That Mimics Pulmonary Embolism Introduction Among the most challenging diagnoses in thoracic imaging is the differentiation of a massive pulmonary embolism from a primary pulmonary artery sarcoma (PPAS). Although pulmonary embolism is encountered daily in emergency departments and radiology practices worldwide, PPAS remains one of the rarest vascular malignancies known in medicine. The clinical significance of this distinction cannot be overstated. Patients with PPAS are frequently misdiagnosed as having pulmonary thromboembolic disease and consequently receive anticoagulation therapy for weeks or months before the correct diagnosis is established. During this delay, the tumor continues to grow, infiltrate adjacent structures, and dramatically worsen prognosis. The present case illustrates exactly such a scenario. A 64-year-old man presented with progressive cough and dyspnea for one month. Initial CT angiography demonstrat...
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How CT Detects Trichobezoar Before Life-Threatening Bowel Obstruction Occurs

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Trichobezoar and Rapunzel Syndrome: The Hidden Cause of Abdominal Pain Every Radiologist Must Recognize Introduction Emergency departments frequently encounter adolescents presenting with abdominal pain, nausea, vomiting, and weight loss. While appendicitis, inflammatory bowel disease, bowel obstruction, and ovarian pathology are common considerations, rare entities such as trichobezoar remain important diagnostic possibilities. A trichobezoar is a compact mass of ingested hair that accumulates within the stomach and occasionally extends into the duodenum and small bowel. When the hair mass extends beyond the pylorus into the small intestine, the condition is commonly referred to as Rapunzel syndrome. Although uncommon, delayed diagnosis can result in gastric outlet obstruction, bowel perforation, malnutrition, intussusception, and even death. Consequently, radiologists play a pivotal role in early identification. The present case involves a 17-year-old female with autism and trichotil...
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Subscapularis Calcific Tendonitis: MRI Findings Every Radiologist Must Recognize

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Subscapularis Calcific Tendonitis and Myositis: MRI Findings, AI Applications, and Advanced Clinical Management Introduction A 45-year-old woman presents with severe anterior shoulder pain that developed without significant trauma. The pain has progressively worsened over several weeks, frequently waking her at night and limiting daily activities such as dressing, lifting objects, and reaching overhead. This clinical scenario is encountered frequently in orthopedic clinics and radiology departments. However, while many clinicians initially suspect adhesive capsulitis or nonspecific rotator cuff disease, a less common but clinically important diagnosis may be responsible: calcific tendonitis of the subscapularis accompanied by inflammatory myositis. Among all rotator cuff tendons, the supraspinatus is the most common location for calcium hydroxyapatite deposition. Subscapularis involvement is considerably rarer, accounting for approximately 5% of cases, making accurate imaging diagnosis...
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Post-Colectomy Abdominal Distension: Could It Be Clostridioides difficile Enteritis?

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  Fulminant Clostridioides difficile Enteritis: A Rare Postoperative Catastrophe Every Radiologist Should Recognize Introduction When clinicians think about Clostridioides difficile infection (CDI), the colon is usually considered the primary target organ. However, an increasingly recognized yet frequently overlooked manifestation is Clostridioides difficile enteritis involving the small bowel. Although rare, this disease carries substantial morbidity and mortality. Published literature suggests mortality rates approaching 30% in reported cases. Patients with previous total colectomy represent a particularly vulnerable population. The case presented in the accompanying article highlights a 74-year-old woman who developed fulminant C. difficile enteritis following ileostomy reversal after previous total colectomy. Her clinical deterioration was dramatic, progressing rapidly to shock physiology and requiring emergency intervention. Fortunately, prompt diagnosis and treatment resulted...
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