Search Results for granuloma

FIBROTIC TUBERCULOUS GRANULOMA Figure 12-59 FIBROTIC TUBERCULOUS GRANULOMA The granuloma has associated, entrapped black anthracotic pigment-containing macrophages. These granulomas may also calcify and enter the differential diagnosis of silicotic lung nodules, which are characterized More about this image found in FIBROTIC TUBERCULOUS GRANULOMA The granuloma has associated, entrapped bla...

TUBERCULOUS GRANULOMAS Figure 12-49 TUBERCULOUS GRANULOMAS Small tuberculous granulomas in the gastrointestinal tract (A). A long, slender, acid-fast bacillus is at the center of the field (B). More about this image found in TUBERCULOUS GRANULOMAS Small tuberculous granulomas in the gastrointestina...

Q FEVER Figure 12-36 Q FEVER A,B: In the liver, the typical fibrin ring granuloma morphology is seen at low (A) and high (B) power. C: Masson trichrome stain highlights the inflammatory cells and associated circular fibrinoid material deposition. (Courtesy of Dr. D. Jain, Yale University, New More about this image found in Q FEVER A,B: In the liver, the typical fibrin ring granuloma morphology is...

TUBERCULOUS GRANULOMA Figure 12-51 TUBERCULOUS GRANULOMA Central fibrillogranular (caseous) necrosis with surrounding palisaded epithelioid histiocytes. More about this image found in TUBERCULOUS GRANULOMA Central fibrillogranular (caseous) necrosis with sur...

TUBERCULOUS GRANULOMA Figure 12-53 TUBERCULOUS GRANULOMA Extensive fibrillogranular (caseous) necrosis and surrounding mononuclear inflammatory cell cuff are seen (A,B). Note the isolated peripheral multinucleated giant cells (A). More about this image found in TUBERCULOUS GRANULOMA Extensive fibrillogranular (caseous) necrosis and su...

TUBERCULOUS GRANULOMA Figure 12-54 TUBERCULOUS GRANULOMA Low power shows extensive circumscribed central fibrillogranular necrosis (A). Some scattered peripheral multinucleated giant cells show a typical Langhans-type morphology (B). More about this image found in TUBERCULOUS GRANULOMA Low power shows extensive circumscribed central fibr...

PULMONARY TUBERCULOSIS Figure 12-58 PULMONARY TUBERCULOSIS Anergic granuloma formation (A) with a paucity of inflammatory cells and associated high organism burden on an acid-fast stain (B). More about this image found in PULMONARY TUBERCULOSIS Anergic granuloma formation (A) with a paucity of i...

DISSEMINATED TUBERCULOSIS TO LIVER Figure 12-61 DISSEMINATED TUBERCULOSIS TO LIVER A small epithelioid cell granuloma (A) and numerous scattered acid-fast bacilli (B). More about this image found in DISSEMINATED TUBERCULOSIS TO LIVER A small epithelioid cell granuloma (A) ...

TYPICAL GRANULOMA INGUINALE ULCER Figure 18-17 TYPICAL GRANULOMA INGUINALE ULCER The male genitals are involved. Penile ulcer (A) showing associated inguinal involvement (B). (Courtesy of the CDC PHIL) More about this image found in TYPICAL GRANULOMA INGUINALE ULCER The male genitals are involved. Penile u...

GRANULOMA INGUINALE OF THE EXTERNAL FEMALE GENITALS Figure 18-18 GRANULOMA INGUINALE OF THE EXTERNAL FEMALE GENITALS There is typical ulceration with a beefy red granulation tissue base. (Courtesy of Dr. M. Gaviria, Pontifica Bolivariana University, Medellín, Colombia) More about this image found in GRANULOMA INGUINALE OF THE EXTERNAL FEMALE GENITALS There is typical ulcer...

GRANULOMA INGUINALE SKIN HISTOLOGY Figure 18-19 GRANULOMA INGUINALE SKIN HISTOLOGY Areas of early acanthosis and mixed dermal inflammation. More about this image found in GRANULOMA INGUINALE SKIN HISTOLOGY Areas of early acanthosis and mixed der...

GRANULOMA INGUINALE Figure 18-20 GRANULOMA INGUINALE A neutrophil-rich inflammatory cell infiltrate with interspersed macrophages containing Donovan bodies (arrow). (Courtesy of Dr. M. Sangueza, Obrero Hospital, La Paz, Bolivia) More about this image found in GRANULOMA INGUINALE A neutrophil-rich inflammatory cell infiltrate with in...

GRANULOMA INGUINALE Figure 18-21 GRANULOMA INGUINALE Warthin-Starry silver stain highlights the presence of numerous intracellular bacilli in scattered macrophages. (Courtesy of Dr. M. Sangueza, Obrero Hospital, La Paz, Bolivia) More about this image found in GRANULOMA INGUINALE Warthin-Starry silver stain highlights the presence of...

GRANULOMA INGUINALE Figure 18-22 GRANULOMA INGUINALE Cytologic preparate shows a macrophage with a large number of intracellular bacilli. (Courtesy of the CDC PHIL) More about this image found in GRANULOMA INGUINALE Cytologic preparate shows a macrophage with a large nu...

PULMONARY HISTOPLASMOSIS Figure 23-4 PULMONARY HISTOPLASMOSIS Zonal granuloma formation (A) with multiple histiocytes containing a large number of intracytoplasmic Histoplasma spp yeasts (B) are highlighted by a Grocott methenamine stain (GMS) (C). More about this image found in PULMONARY HISTOPLASMOSIS Zonal granuloma formation (A) with multiple histi...

BLASTOMYCOSIS Figure 21-3 BLASTOMYCOSIS Suppurative granulomas with isolated pale fungal yeasts in the cytoplasm of a giant cell (A), which are often identified due to their weakly birefringent cell wall and central nuclei on a hematoxylin and eosin (H&E) stain (B,C). More about this image found in BLASTOMYCOSIS Suppurative granulomas with isolated pale fungal yeasts in t...

PARACOCCIDIOIDOMYCOSIS Figure 21-17 PARACOCCIDIOIDOMYCOSIS A: Well-formed epithelioid cell granulomas with associated multinucleated giant cells and surrounding lymphocyte infiltrate. (Both: courtesy of G. Varela, Hospital Pablo Tobón Uribe, Medellín, Columbia) B: Weakly refractive round More about this image found in PARACOCCIDIOIDOMYCOSIS A: Well-formed epithelioid cell granulomas with ass...

EUMYCETOMA Figure 24-12 EUMYCETOMA Multiple suppurative granulomas contain central granular colonies of fungal hyphae. More about this image found in EUMYCETOMA Multiple suppurative granulomas contain central granular coloni...

CUTANEOUS LEISHMANIASIS Figure 28-6 CUTANEOUS LEISHMANIASIS Cutaneous epithelioid cell granulomas have giant cells and a rim of lymphocytes. Giant cell intracytoplasmic parasites are abundant. (Courtesy of the Armed Forces Institute of Pathology) More about this image found in CUTANEOUS LEISHMANIASIS Cutaneous epithelioid cell granulomas have giant c...