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Intrathoracic pressure is measured by using a transducer held in such a way over the body that an actuator engages the soft tissue that is located above the suprasternal notch. Arcot J. Chandrasekhar, MD of Loyola University , Chicago , is the author of an evaluative test for the aorta using the suprasternal notch. [ 4 ]
A neck mass or neck lump is an ambiguous mass found in the neck area. There are many different possible causes, [1] including head and neck cancer [2] and congenital conditions like branchial anomalies and thyroglossal duct cysts. [3]
They are generally soft to the touch, movable, and painless. [1] They usually occur just under the skin, but occasionally may be deeper. [1] Most are less than 5 cm (2.0 in) in size. [2] Common locations include upper back, shoulders, and abdomen. [4] It is possible to have several lipomas. [3] The cause is generally unclear. [1]
Benign symmetric lipomatosis, also known as Madelung's disease, is an adult-onset skin condition characterized by extensive symmetric fat deposits in the head, neck, and shoulder girdle area. [1] The symmetrical fat deposits are made of unencapsulated lipomas , which distinguishes it from typical lipomatosis which has encapsulated lipomas that ...
Ewing sarcoma is a type of pediatric cancer [5] that forms in bone or soft tissue. [1] Symptoms may include swelling and pain at the site of the tumor, fever , and a bone fracture . [ 2 ] The most common areas where it begins are the legs, pelvis , and chest wall. [ 4 ]
On the chest wall, patients with this disease often have abrupt onset of superficial pain, with possible swelling and redness of a limited area of their anterior chest wall or breast. There is usually a lump present, which may be somewhat linear and tender. Because of the possibility of the lump being from another cause, patients are often ...
They are often described as round or oval lumps with distinct edges. In texture, a breast cyst usually feels like a soft grape or a water-filled balloon, but sometimes a breast cyst feels firm. [1] Breast cysts can be painful and may be worrisome but are generally benign. They are most common in pre-menopausal women in their 30s or 40s.
Thyroglossal cyst usually presents as a midline neck lump (in the region of the hyoid bone) that is usually painless, smooth and cystic, though if infected, pain can occur. There may be difficulty breathing, dysphagia (difficulty swallowing), or dyspepsia (discomfort in the upper abdomen), especially if the cyst becomes large.