Thoracic hydatid disease: A radiologic review of unusual cases.

Hydatid disease or echinococcosis is a zoonotic parasitic disease. The lung is the second most commonly affected organ after the liver. Intra-thoracic and extra-pulmonary hydatid disease is uncommon and may involve the pleura, mediastinum, heart, diaphragm, and chest wall. Unusual locations or complications of thoracic hydatid disease may pose a diagnostic challenge. We present imaging findings of cases with unusual location and presentations of thoracic hydatid disease with emphasis on their clinical implications.

Check the chest: review of chest findings on abdominal MRI.

Magnetic resonance imaging (MRI) of the abdomen may include lower chest findings which may be overlooked or misinterpreted due to their location outside the area of main exam focus or lack of familiarity with the image appearance of these findings. This article will review the utility of abdominal MRI sequences to diagnose lower chest pathology while providing a systematic pictorial review of imaging findings in the lungs, pleura, mediastinum and chest wall. We will discuss the MRI appearance of lung nodules and masses, lung infiltrates, pulmonary infarction, pulmonary embolism, empyema, pleural effusions and thickening, mediastinal lesions and lymphadenopathy, cardiac thrombus and masses, and breast lesions. The purpose of this article is to increase awareness to the diagnostic advantages of abdominal MRI sequences for lower chest findings and encourage abdominal MRI readers to meticulous scrutinize the lower chest for concomitant pathology.

Primary Osteosarcoma of the Breast Arising in an Intraductal Papilloma.

INTRODUCTION: Primary osteosarcoma of the breast is extremely rare, and an osteosarcoma arising from an intraductal papilloma is exceptional. CASE PRESENTATION: A 72-year-old Saudi Arabian woman presented with a solid, bone-containing breast mass that was diagnosed as primary osteosarcoma of the breast on biopsy. She had a history of untreated intraductal papilloma. Treatment was completed with a modified mastectomy after excluding extramammary metastases. However, she subsequently developed multiple recurrent lesions at the same site. CONCLUSION: Primary osteogenic sarcomas of the breast are very rare. Although the main treatment is resection the optimal management remains uncertain and prognosis is poor.

Hepatic hydatid disease complications: review of imaging findings and clinical implications.

Hydatid disease is a zoonotic parasitic disease. The liver is the most commonly affected organ, and hepatic hydatid disease complications are not uncommon. Hydatid cyst superinfection, intrabiliary rupture, and direct rupture into the thoracic or abdominal cavities are the frequently encountered complications. Other exceedingly rare complications include rupture of the cyst into hollow viscera, abdominal wall invasion, and hepatic vasculature-related complications such as portal vein thrombosis and Budd-Chiari syndrome. These complications have variable clinical presentations and imaging findings and require different medical and surgical managements. We aim to provide a spectrum of imaging findings of different common and uncommon complications of hepatic hydatid disease with emphasis on their clinical implications.

Tailgut Cyst and Perineal Hydatid Cyst: A Case Report with Multimodality Imaging Findings.

A tailgut cyst is a rare developmental lesion and usually is located in the retrorectal or presacral space. Extrahepatic hydatid disease has been reported in several locations including the pelvis and it often poses a diagnostic challenge. There are very few reported cases of primary perineal hydatid cysts. We present the multimodality imaging findings of a tailgut cyst and concurrent perineal hydatid disease in a 32-year-old male patient.