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How is Advanced organizing pneumonia, featuring transformation of exudates to fibromyxoid masses infiltrate? | by macrophages and fibroblasts | OPEN | |
What are infiltrated with lymphocytes and some plasma cells, which spill over into alveolar spaces? | the thickened alveolar walls | OPEN | |
What are the thickened alveolar walls infiltrated with? | lymphocytes and some plasma cells | OPEN | |
What are filled with a characteristic foamy acellular exudate? | the alveoli | OPEN | |
What are the alveoli filled with? | a characteristic foamy acellular exudate | OPEN | |
What does the histologic appearance demonstrate? | small | OPEN | |
What shows mesangial cell proliferation, basement membrane duplication, leukocyte infiltration, and accentuation of lobular architecture? | membranoproliferative glomerulonephritis (mpgn) | OPEN | |
What shows complete replacement of virtually all glomeruli by blue-staining collagen? | a masson trichrome preparation | OPEN | |
What does a Masson trichrome preparation show? | complete replacement of virtually all glomeruli by blue-staining collagen | OPEN | |
How does a Masson trichrome preparation show complete replacement of virtually all glomeruli? | by blue-staining collagen | OPEN | |
What remain within the predominantly metaplastic, reddish mucosa of the distal esophagus? | a few areas of pale squamous mucosa | OPEN | |
What do only a few areas of pale squamous mucosa remain within? | the predominantly metaplastic | OPEN | |
What is composed of nests of malignant cells that partially recapitulate the stratified organization of squamous epithelium? | squamous cell carcinoma | OPEN | |
What are highlighted in this Warthin-Starry silver stain? | spiral-shaped helicobacter pylori bacilli | OPEN | |
How are spiral-shaped Helicobacter pylori bacilli? | highlighted in this warthin-starry silver stain | OPEN | |
What are abundant within surface mucus? | organisms | OPEN | |
What are organisms abundant within? | surface mucus | OPEN | |
What are prominent? | intraepithelial and lamina propria neutrophils | OPEN | |
What is composed of granulation tissue overlaid by degraded blood? | the necrotic ulcer base | OPEN | |
What is the necrotic ulcer base composed of? | granulation tissue overlaid by degraded blood | OPEN | |
What is markedly thickened? | the gastric wall | OPEN | |
Infiltration of the surface epithelium by T lymphocytes , which can be recognized by whose stained nuclei labeled T ? | their | OPEN | |
What shows regularly spaced stool-filled diverticulae? | gross examination of a resected sigmoid colon | OPEN | |
What are cut in cross-section? | glands | OPEN | |
How are the glands cut? | in cross-section | OPEN | |
What produces a serrated architecture when glands are cut in cross-section? | epithelial crowding | OPEN | |
What does epithelial crowding produce when glands are cut in cross-section? | a serrated architecture | OPEN | |
What are present along with a dominant polyp (right)? | hundreds of small colonic polyps | OPEN | |
What are hundreds of small colonic polyps present along with? | a dominant polyp | OPEN | |
What are present within the colon wall? | areas of chalky necrosis | OPEN | |
Where are areas of chalky necrosis present? | within the colon wall | OPEN | |
What is typical? | necrotic debris | OPEN | |
What is small (700 g), bile-stained, soft, and congested? | the liver | OPEN | |
How much does the liver weigh? | 700 g | OPEN | |
How is the liver? | small (700g) | OPEN | |
What is entrapped in a dense, onion-skin concentric scar? | a bile duct undergoing degeneration | OPEN | |
What is a bile duct undergoing degeneration entrapped in? | a dense | OPEN | |
What is removed at autopsy showing a unifocal, massive neoplasm replacing most of the right hepatic lobe in a noncirrhotic liver? | the liver | OPEN | |
What replaced most of the right hepatic lobe in a noncirrhotic liver? | neoplasm | OPEN | |
What is infiltrated by chronic inflammatory cells? | the gallbladder mucosa | OPEN | |
What is the gallbladder mucosa infiltrated by? | chronic inflammatory cells | OPEN | |
What compress the urethra into a slitlike lumen? | well-defined nodules | OPEN | |
What do well-defined nodules compress? | the urethra into a slitlike lumen | OPEN | |
What is seen on the posterior aspect (lower left)? | carcinomatous tissue | OPEN | |
Where is carcinomatous tissue seen ? | on the posterior aspect | OPEN | |
What is caused by gonococcal infection? | acute epididymitis | OPEN | |
What is acute epididymitis caused by? | gonococcal infection | OPEN | |
How is acute epididymitis caused? | by gonococcal infection | OPEN | |
What is involved by an abscess? | the epididymis | OPEN | |
What is seen on the right? | normal testis | OPEN | |
Where is normal testis seen? | on the right | OPEN | |
What is characterized by increased numbers of epithelial cells, as in this example of epithelial hyperplasia? | proliferative breast disease | OPEN | |
What is proliferative breast disease characterized by? | an increased numbers of epithelial cells | OPEN | |
What tend to be larger at the time of diagnosis than those that secrete a hormone? | nonfunctioning adenomas | OPEN | |
What do nonfunctioning adenomas tend to be? | larger at the time of diagnosis than those that secrete hormone | OPEN | |
What contains areas of fibrosis and cystic change? | the coarsely nodular gland | OPEN | |
What does the coarsely nodular gland contain? | areas of fibrosis and cystic change | OPEN | |
The hyperplastic follicles contain abundant pink colloid within whose lumina ? | their | OPEN | |
What contain abundant pink colloid within their lumina? | the hyperplastic follicles | OPEN | |
What do the hyperplastic follicles contain? | abundant pink colloid within their lumina | OPEN | |
The hyperplastic follicles contain abundant pink colloid within whose lumina ? | their | OPEN | |
What surrounds the neoplastic follicles? | a fibrous capsule | OPEN | |
What is derived from calcitonin molecules secreted by the neoplastic cells? | amyloid | OPEN | |
What contain amyloid derived from calcitonin molecules secreted by the neoplastic cells? | medullary carcinoma tumors | OPEN | |
What do these tumors contain? | amyloid derived from calcitonin molecules secreted by the neoplastic cells | OPEN | |
What is delineated from the residual normocellular gland on the upper right in this low-power view? | a solitary hypercellular adenoma | OPEN | |
What is a solitary hypercellular adenoma delineated from? | the residual normocellular gland on the upper right | OPEN | |
What shows minimal variation in nuclear size and occasional follicle formation? | high-power detail | OPEN | |
What is contrasted with a normal adrenal gland? | diffuse hyperplasia of the adrenal gland | OPEN | |
What is diffuse hyperplasia of the adrenal gland contrasted with? | a normal adrenal gland | OPEN | |
How is diffuse hyperplasia of the adrenal gland contrasted? | with a normal adrenal gland | OPEN | |
What is yellow and thickened? | the adrenal cortex | OPEN | |
What were diffusely hyperplastic? | adrenal glands in a patient with acth-dependent cushing syndrome | OPEN | |
What was from a patient with ACTH-dependent Cushing syndrome, in whom both adrenal glands were diffusely hyperplastic? | the adnormal gland | OPEN | |
What was the abnormal gland from? | a patient with acth-dependent cushing syndrome | OPEN | |
How was the abnormal gland? | from a patient with acth-dependent cushing syndrome | OPEN | |
What result in acute adrenal insufficiency? | bilateral adrenal hemorrhage | OPEN | |
What did bilateral adrenal hemorrhage in an infant with overwhelming sepsis result in? | acute adrenal insufficiency | OPEN | |
What is discernible in this photomicrograph? | little residual cortical architecture | OPEN | |
What were grossly hemorrhagic and shrunken at autopsy? | the adrenal glands | OPEN | |
What entraps native lamellar bone as a confluent mass of cartilage? | conventional chondrosarcoma | OPEN | |
What is composed of sheets of small round cells with small amounts of clear cytoplasm? | ewing sarcoma | OPEN | |
What is Ewing sarcoma composed of? | sheets of small round cells with small amounts of clear cytoplasm | OPEN | |
How is Ewing sarcoma composed of sheets of small round cells? | with small amounts of clear cytoplasm | OPEN | |
What is surrounded by a fibrous wall containing proliferating fibroblasts, reactive woven bone, and osteoclast-type giant cells? | aneurysmal bone cyst with blood-filled cystic space | OPEN | |
What is the aneurysmal bone cyst with blood-filled cystic space surrounded by? | a fibrous wall containing proliferating fibroblasts | OPEN | |
How is aneurysmal bone cyst with blood-filled cystic space surrounded? | by a fibrous wall containing proliferating fibroblasts | OPEN | |
What is composed of curvilinear trabeculae of woven bone that lack conspicuous osteoblastic rimming and arise in a background of fibrous tissue? | fibrous dysplasia | OPEN | |
What is fibrous dysplasia composed of? | curvilinear trabeculae of woven bone | OPEN | |
What contains a dense lymphoid aggregate? | subsynovial tissue | OPEN | |
What did subsynovial tissue contain? | a dense lymphoid aggregate | OPEN | |
What allow for examination of individual axons of peripheral nerves? | teased fiber preparations | OPEN | |
What do teased fiber preparations allow for? | examination of individual axons of peripheral nerves | OPEN | |
What is flanked by nodes of Ranvier? | a normal axon | OPEN | |
What is a normal axon with a long thick dark myelin internode flanked by? | nodes of ranvier with a long thick dark myelin internode | OPEN | |
How is a normal axon with a long thick dark myelin internode flanked? | by nodes of ranvier | OPEN | |
What shows a segment surrounded by a series of thinly myelinated internodes of uneven length flanked on both ends by normal thicker myelin internodes? | the right axon | OPEN | |
What does the right axon, by contrast, show? | a segment surrounded by a series of thinly myelinated internodes of uneven length flanked on both ends by normal thicker myelin internodes | OPEN | |
What share the same fiber type (fiber type grouping)? | large clusters of fibers | OPEN | |
Under what conditions do clusters of fibers appear that all share the same fiber type? | with ongoing denervation and reinnervation | OPEN |
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