Giant compressive bullous emphysema is rare. The three major considerations for operation involve a breathless patient with giant bullae occupying more than one-third of one lung field who has a positive pulmonary arteriogram revealing diminished blood flow to the involved lung. Finally, we think that the survivors in our series, eight long-term postoperative patients alive one year to 14 years, supply gratifying evidence that surgery can provide effective and safe palliation.
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Sci Adv
January 2025
Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA 90095, USA.
Eur Spine J
December 2024
Department of Orthopedics, Umeå University Hospital, Umeå, Sweden.
Background: Hereditary Multiple Osteochondromas (HMO), previously known as Multiple Hereditary Exostoses (MHE), is a genetic disorder characterized by the formation of multiple, benign, exostoses (osteochondromas) growing from the metaphyseal region of long bones as well as from the axial skeleton. Lesions originating from the lumbar spine region are rare, and are most common growing from the posterior element of the vertebrae. HMO associated osteochondromas are difficult to treat due to continuous and incontrollable growth of these lesions and a lifetime risk for malignant transformation.
View Article and Find Full Text PDFJ Surg Case Rep
January 2025
Department of Surgery, Kuwait University, Kuwait City, Kuwait.
Giant lipomas, rare benign tumours composed of mature adipose tissue, represent only 1% of all lipomas, typically exceeding 10 cm in diameter or weighing over 1000 g. These tumours can cause nerve compression, discomfort, or functional impairment, necessitating surgical excision. We report a 52-year-old male with a giant intramuscular lipoma in the periscapular region, initially identified following significant weight loss after bariatric surgery.
View Article and Find Full Text PDFAsian J Endosc Surg
December 2024
Department of Surgery and Science, Faculty of Medicine, Academic Assembly, University of Toyama, Toyama, Japan.
We report a case in which a giant hepatic cyst located at the hepatic hilum and compressing the inferior vena cava was safely treated laparoscopically with careful attention to hemodynamics in a difficult fenestrated resection in a patient with severe kyphosis. The anatomic location of the cyst was evaluated preoperatively via 3D reconstruction of computed tomography images to identify a site where safe fenestrated resection could be performed. This was challenging because the surgical field was narrow due to the presence of severe kyphosis, and there was a risk of damage to surrounding organs during fenestrated resection.
View Article and Find Full Text PDFNanoscale Horiz
December 2024
2D Foundry Research Group, Instituto de Ciencia de Materiales de Madrid (ICMM-CSIC), 28049 Madrid, Spain.
We investigated the effect of uniaxial strain on the electrical properties of few-layer ZrSe devices under compressive and tensile strains applied up to ±0.62% along different crystal directions. We observed that the piezoresponse, the change in resistance upon application of strain, of ZrSe strongly depends on both the direction in which electrical transport occurs and the direction in which uniaxial strain is applied.
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