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granuloma

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CYSTIC NEUTROPHILIC GRANULOMATOUS MASTITIS  A: Scanning magnification of a ...
Published: 01 January 2024
CYSTIC NEUTROPHILIC GRANULOMATOUS MASTITIS Figure 2-5 CYSTIC NEUTROPHILIC GRANULOMATOUS MASTITIS A: Scanning magnification of a breast core needle biopsy showing granulomatous inflammation. B: High power of a granuloma shows the admixed neutrophils. C: Cystic areas surrounded by a cuff of neutrophils. D: Brown and Brenn stain illustrates the presence of Gram-positive rods within a cystic space. The organisms are consistent with Corynebacteria species. More about this image found in CYSTIC NEUTROPHILIC GRANULOMATOUS MASTITIS A: Scanning magnification of a ...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 19
Published: 01 February 2024
10.55418/9781933477428-19
ISBN-10: 1-933477-42-3
ISBN: 978-1-933477-42-8
... nevi and present as a flesh-colored, erythematous, brown or black papule, plaque, or nodule. Large tumors may be ulcerated. The clinical impression may be broad, ranging from pyogenic granuloma or fibroma to nevus or melanoma. Spitz and spitzoid melanomas tend to occur in younger patients, but the age...
Images
CARDIAC SARCOIDOSIS: WELL-FORMED <span class="search-highlight">GRANULOMA</span>  The <span class="search-highlight">granulomas</span> are compact and ...
Published: 15 November 2023
CARDIAC SARCOIDOSIS: WELL-FORMED GRANULOMA Figure 22-28 CARDIAC SARCOIDOSIS: WELL-FORMED GRANULOMA The granulomas are compact and well formed, usually containing large multinucleated giant cells. More about this image found in CARDIAC SARCOIDOSIS: WELL-FORMED GRANULOMA The granulomas are compact and ...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 19
Published: 01 February 2024
10.55418/9781933477428-20
ISBN-10: 1-933477-42-3
ISBN: 978-1-933477-42-8
... ). Acral and subungual melanomas are also exceedingly rare in children. Spitz and Spitzoid Melanomas. The clinical features of these tumors usually defy ABCDE criteria ( 19 ). The tumors tend to be mistaken for a pyogenic granuloma or wart ( 20 ). The most common clinical presentation...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 18
Published: 01 January 2024
10.55418/9781933477367-02
ISBN-10: 1-933477-36-9
ISBN: 978-1-933477-36-7
... to those seen at other sites. Infections Infection with mycobacteria has been reported in the breast. Tuberculous mastitis is characterized by necrotizing granulomas. Ideally, a sample for microbiologic examination should be obtained. Histochemical staining for micro-organisms is indicated...
Images
GRANULOMATOUS PERICARDITIS  This example of <em>Mycobacterium tuberculo</em>...
Published: 15 November 2023
GRANULOMATOUS PERICARDITIS Figure 27-6 GRANULOMATOUS PERICARDITIS This example of Mycobacterium tuberculosis-associated pericarditis is characterized by numerous coalescing non-necrotizing granulomas. More about this image found in GRANULOMATOUS PERICARDITIS This example of Mycobacterium tuberculo...
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CARDIAC SARCOIDOSIS: SUBEPICARDIAL DISTRIBUTION  As with other forms of myo...
Published: 15 November 2023
CARDIAC SARCOIDOSIS: SUBEPICARDIAL DISTRIBUTION Figure 22-27 CARDIAC SARCOIDOSIS: SUBEPICARDIAL DISTRIBUTION As with other forms of myocarditis, a subepicardial distribution is common with cardiac sarcoidosis. The non-necrotizing granulomas are located on the epicardial surface (top of the image)... More about this image found in CARDIAC SARCOIDOSIS: SUBEPICARDIAL DISTRIBUTION As with other forms of myo...
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LYMPHOPLASMACYTIC AORTITIS  There may be areas of macrophages and occasiona...
Published: 15 November 2023
LYMPHOPLASMACYTIC AORTITIS Figure 30-17 LYMPHOPLASMACYTIC AORTITIS There may be areas of macrophages and occasional giant cells, in addition to lymphocytes and plasma cells, but necrotizing granulomas are absent, and the elastic layers are largely intact, as shown with this elastic stain. More about this image found in LYMPHOPLASMACYTIC AORTITIS There may be areas of macrophages and occasiona...
Images
SARCOIDOSIS: CORONARY ARTERIAL INVOLVEMENT  Left: Low-power magnification s...
Published: 15 November 2023
SARCOIDOSIS: CORONARY ARTERIAL INVOLVEMENT Figure 30-39 SARCOIDOSIS: CORONARY ARTERIAL INVOLVEMENT Left: Low-power magnification shows granulomatous inflammation in the adventitia, and fibroatheroma formation in the intima with thrombus. There is nonspecific inflammation in the media. Right: Hig... More about this image found in SARCOIDOSIS: CORONARY ARTERIAL INVOLVEMENT Left: Low-power magnification s...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 17
Published: 15 November 2023
10.55418/9781933477299-ch22
ISBN-10: 1-933477-29-6
ISBN: 978-1-933477-29-9
... cell myocarditis Neutrophilic Granulomatous Bacterial infection Sarcoidosis Fungal infection Mycobacterial sp infection Pressor reaction Giant cell myocarditis a Foreign-body reaction Rheumatic fever a Well-formed granulomas...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 17
Published: 15 November 2023
10.55418/9781933477299-ch30
ISBN-10: 1-933477-29-6
ISBN: 978-1-933477-29-9
... Small vessels, less muscular arteries Necrotizing extravascular granulomas ANCA associated Microscopic polyangiitis Small vessels Pulmonary capillaritis, necrotizing glomerulonephritis Overlap with GPA a (ANCA-associated vasculitis overlap) Eosinophilic granulomatosis...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 17
Published: 15 November 2023
10.55418/9781933477299-ch27
ISBN-10: 1-933477-29-6
ISBN: 978-1-933477-29-9
... GRANULOMATOUS PERICARDITIS This example of Mycobacterium tuberculosis-associated pericarditis is characterized by numerous coalescing non-necrotizing granulomas. IDIOPATHIC PERICARDITIS Figure 27-7 IDIOPATHIC PERICARDITIS This case of presumed postviral pericarditis shows a ruddy or shaggy surface...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 17
Published: 15 November 2023
10.55418/9781933477299-ch50
ISBN-10: 1-933477-29-6
ISBN: 978-1-933477-29-9
... and plasma cell granuloma, depending on the predominant histologic features. Inflammatory myofibroblastic proliferations that mimic sarcomas are particularly frequent in the urinary tract, and occur in a minority of cases after instrumentation ( 1 ). It is generally accepted that these lesions are neoplasms...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 17
Published: 15 November 2023
10.55418/9781933477299-ch52
ISBN-10: 1-933477-29-6
ISBN: 978-1-933477-29-9
... tumors that extend into the cardiac cavities. Sarcoidosis may result in large, firm granulomas, but, unlike metastatic deposits, sarcoid granulomas rarely distort the endocardial or epicardial contours of the heart. Microscopic Findings. Histologic deposits of metastatic myocardial implants often appear...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 17
Published: 15 November 2023
10.55418/9781933477299-ch57
ISBN-10: 1-933477-29-6
ISBN: 978-1-933477-29-9
.... Primary cardiac lymphomas typically occur as multiple masses of firm, white, homogeneous nodules with a “fish flesh” consistency ( fig. 57-2 ). The heart is usually enlarged. The gross appearance may suggest sarcoidosis; however, sarcoid granulomas do not usually form large nodules that extend onto...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 17
Published: 15 November 2023
10.55418/9781933477299-ch04
ISBN-10: 1-933477-29-6
ISBN: 978-1-933477-29-9
... microabscesses or granulomas that are associated with lymphocytes, eosinophils, histiocytes, and/or giant cells, rather than neutrophils. Occasionally, lethally injured myocytes calcify. This initially affects sarcoplasmic organelles, then the entire myocyte ( fig. 4-19 ). Calcification occurs more often...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 17
Published: 15 November 2023
10.55418/9781933477299-ch21
ISBN-10: 1-933477-29-6
ISBN: 978-1-933477-29-9
... myocarditis. Rheumatoid nodules, consisting of palisading granulomas with necrotic cores, occasionally involve any layer of the heart ( fig. 21-4 ), and rarely are even seen grossly ( 11 , 12 ). RA patients also have a higher risk of vulnerable atherosclerotic plaques than the general population ( 13...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 17
Published: 15 November 2023
10.55418/9781933477299-ch38
ISBN-10: 1-933477-29-6
ISBN: 978-1-933477-29-9
... by bronchoscopy may be necessary. Microscopically, casts consist of mucus, fibrin, and scant inflammatory cells, without eosinophils, giant cells, or granulomas. In contrast, plastic bronchitis in asthma or cystic fibrosis is usually rich in eosinophils. Mitral Valve. The valve is stenotic in 55 percent...
Images
TUBERCULOUS SALPINGITIS WITH EPITHELIAL HYPERPLASIA SIMULATING A NEOPLASM (...
Published: 01 August 2023
TUBERCULOUS SALPINGITIS WITH EPITHELIAL HYPERPLASIA SIMULATING A NEOPLASM (PSEUDOCARCINOMATOUS HYPERPLASIA) Figure 16-51 TUBERCULOUS SALPINGITIS WITH EPITHELIAL HYPERPLASIA SIMULATING A NEOPLASM (PSEUDOCARCINOMATOUS HYPERPLASIA) Low-power magnification (A) shows an appearance similar to endometri... More about this image found in TUBERCULOUS SALPINGITIS WITH EPITHELIAL HYPERPLASIA SIMULATING A NEOPLASM (...
Book Chapter
Series: Atlases of Tumor and Non-Tumor Pathology, Series 5
Volume: 16
Published: 01 August 2023
10.55418/9781933477282-13
ISBN-10: 1-933477-28-8
ISBN: 978-1-933477-28-2
..., keratin, cartilage, and gastrointestinal, neural, pancreatic, and ciliated respiratory cells. The keratin can cause granulomas with foreign body giant cells. A pitfall is that squamous cells can sometimes result from contamination during transvaginal fine-needle aspiration. No immature or malignant cells...