Right cranial lung lobe torsion after a diaphragmatic rupture repair in a Jack Russell terrier

A seven-year-old male Jack Russell terrier was presented with a history of coughing, generalised weakness and lethargy 10 days after an abdominal coeliotomy to repair a large diaphragmatic rupture. Thoracic radiographs demonstrated a soft tissue mass in the midcaudal right thoracic cavity. Ultrasonographic studies, bronchoscopy and subsequent exploratory thoracotomy confirmed a diagnosis of a right cranial lung lobe torsion (LLT), with an anomalous caudodorsal displacement of the affected lobe. LLT should be considered as a differential diagnosis for respiratory tract disease following diaphragmatic rupture repair

THORACIC INVOLVEMENT IN BEHCETS-DISEASE - PATHOLOGICAL, CLINICAL, AND IMAGING FEATURES

Behcet's disease is a rare form of vasculitis of obscure etiology. Any large or small artery, vein, or organ may be involved in an unpredictable combination. Intrathoracic manifestations of Behcet's disease consist mainly of thromboembolism of the superior vena cava and/or other mediastinal veins; aneurysms of the aorta and pulmonary arteries; pulmonary infarct and hemorrhage; pleural effusion; and, rarely, myocardial or pericardial involvement, cor pulmonale, and mediastinal or hilar lymphadenopathy. Chest radiography is the best diagnostic method for evaluating thoracic involvement in Behcet's disease. Because aneurysms may develop at the arterial puncture sites and veins may be quickly thrombosed after injection of contrast material, angiography and venography should be avoided whenever possible. Although no comparative studies are available, CT and MR angiography appear to be imaging techniques of choice for evaluating vascular involvement. Pulmonary parenchymal alterations depicted on CT scan have not been fully explored

横隔神経と伴走血管による胸部X線写真における心大血管辺縁不明瞭化

Purpose: Our aim was to clarify the frequency of cardiovascular border obliteration on frontal chest radiography and to prove that the phrenic nerve with accompanying vessels can be considered as a cause of obliteration of cardiovascular border on an otherwise normal chest radiography. Materials and methods: Two radiologists reviewed chest radiographs and computed tomography (CT) images of 100 individuals. CT confirmed the absence of intrapulmonary or extrapulmonary abnormalities in all of them. We examined the frequency of cardiovascular border obliteration on frontal chest radiography and summarized the causes of obliteration as pericardial fat pad, phrenic nerve, intrafissure fat, pulmonary vessels, and others, comparing them with CT in each case. Results: Cardiovascular border was obliterated on frontal chest radiography in 46 cases on the right and in 61 on the left. The phrenic nerve with accompanying vessels was found to be a cause of obliteration in 34 of 46 cases (74 %) on the right and 29 of 61 (48 %) cases on the left. The phrenic nerve was the most frequent cause of cardiovascular border obliteration on both sides. Conclusion: The phrenic nerve with accompanying vessels, forming a prominent fold of parietal pleura, can be attributed as a cause of cardiovascular border obliteration on frontal chest radiography.長崎大学学位論文 学位記番号:博(医歯薬)甲第822号 学位授与年月日:平成28年2月3日Author: Shiri Farhana, Kazuto Ashizawa , Hideyuki Hayashi, Yukihiro Ogihara, Nobuya Aso, Kuniaki Hayashi, Masataka UetaniCitation: Japanese Journal of Radiology, 33(12), pp.734-740; 2015Nagasaki University (長崎大学)課程博