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1. 皮膚の良性病変の概要overview of benign lesions of the skin [show details]
… transformation of a lipoma into a liposarcoma is rare. The diagnosis of lipoma is usually made clinically. Ultrasound examination can be helpful to distinguish a lipoma from an epidermoid… stratified squamous epithelium containing small sebaceous gland lobules and sebum.…
2. 頚部腫瘤の鑑別診断differential diagnosis of a neck mass [show details]
… tumors of the submandibular gland than the parotid gland (50 versus 20 percent of tumors, respectively). Most benign salivary gland tumors are pleomorphic adenomas… Lipomas are benign neoplasms comprised of fat and are typically asymptomatic. They are slowly enlarging masses that can occur in any location on the neck. Lipomas are soft and have…
3. 良性乳房疾患の概要overview of benign breast diseases [show details]
…sometimes difficult to distinguish lipomas from other conditions; the diagnosis can be confirmed with a core or excisional biopsy. Core biopsies are somewhat problematic for lipomas as it is difficult to be certain …
4. 松果体部腫瘍pineal gland masses [show details]
… Lipomas – Lipomas have low attenuation on CT, have increased signal on T1-weighted images, and lack contrast enhancement. Pineal metastases – The MRI features of metastases to the pineal gland are …
5. 上部消化管の上皮下病変評価のための超音波内視鏡検査endoscopic ultrasound for the characterization of subepithelial lesions of the upper gastrointestinal tract [show details]
… Lipomas are rarely symptomatic, but may result in hemorrhage, abdominal pain, and intestinal obstruction . They have no malignant potential. A lipoma commonly appears… fibrovascular polyps, inflammatory fibroid polyps, pneumatosis cystoides, thickened folds, fibromas, Brunner gland nodules, gastrointestinal (GI) wall hematomas, esophageal hemangiomas, and GI wall metastasis. However…