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The following is a partial list of the "D" codes for Medical Subject Headings (MeSH), as defined by the United States National Library of Medicine (NLM).. This list continues the information at List of MeSH codes (D20).
Thus, cystic lesions are unlikely to be cancer, while cavitary lesions are often caused by cancer. [3] In a study from 1980 that used chest X-rays to evaluate 65 cases of solitary lung cavities, 0% percent of cavities with walls 1 mm or less were malignant (that is, cancerous), versus 8% of cavities with walls 4 mm or less, 49% of cavities with ...
The most common organ affected by aspergilloma is the lung. Aspergilloma mainly affects people with underlying cavitary lung disease such as tuberculosis, sarcoidosis, bronchiectasis, cystic fibrosis and systemic immunodeficiency. Aspergillus fumigatus, the most common causative species, is typically inhaled as small (2 to 3 micron) spores.
2. Any cavitary lesion - Lucency (darkened area) within the lung parenchyma, with or without irregular margins that might be surrounded by an area of airspace consolidation or infiltrates, or by nodular or fibrotic (reticular) densities, or both. The walls surrounding the lucent area can be thick or thin. Calcification can exist around a cavity.
Lemierre's syndrome begins with an infection of the head and neck region, with most primary sources of infection in the palatine tonsils and peritonsillar tissue. [10] Usually this infection is a pharyngitis (which occurred in 87.1% of patients as reported by a literature review [ 6 ] ), and can be preceded by infectious mononucleosis as ...
Lungs: Pulmonary nodules (referred to as "coin lesions"), infiltrates (often interpreted as pneumonia), cavitary lesions, bleeding in the lungs causing a person to cough up blood, and rarely bronchial stenosis; Arthritis: Pain or swelling (60%), often initially diagnosed as rheumatoid arthritis
Necrotizing pneumonia [5] Vasculitis: Granulomatosis with polyangiitis; Necrotizing tumors: 8% to 18% are due to neoplasms across all age groups, higher in older people; primary squamous carcinoma of the lung is the most common.
Pilomatricoma is a benign skin tumor derived from the hair matrix. [2] [3] These neoplasms are relatively uncommon and typically occur on the scalp, face, and upper extremities.