All specialties videos

Gallbladder - Cholesterolosis

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Show the cholesterolosis areas? Which part of the gallbladder wall is it found in. What is it highly associated with? What kind of calculi are found, very often, with cholesterolosis, yellow or green?...

Barrett Esophagus 2

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Define intestinalization of esophageal mucosa. Show it on this slide. What is, by far, the most common cause of a Barrett esophagus?

Barrett Esophagus

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Should all esophageal mucosa, ideally, be squamous? What do you call it when it is replaced by glandular, i.e., gastric or intestinal, type of mucosa? A long standing Barrett esophagus presents a statistical...

Endometrium - Senile Atrophy

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What is the normal thickness of the endometrium, in mm. during an endometrial monthly cycle? What is an average thickness of an endometrium in atrophy, in mm.? Are actual endometrial glands sparse here?...

Endometrium - Hyperplasia

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What is hyperplasia defined as anywhere in the body? Are almost all the glands here at least separated from other glands by at least a small amount of connective tissue, i.e., stroma? Most hyperplasias...

Coronary Artery - Atherosclerosis - Recanalization

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What is recanalization? Demonstrate it. What percentage of the lumen is compromised in this slide?

Coronary Arteries - Atherosclerosis

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Find cholesterol clefts. Delineate the thickness of the plaque. What is a plaque? What kinds of things is it commonly composed of? What percentage of the lumen is narrowed, i.e., compromised?

Cervix - Squamous Metaplasia

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Encircle an area of squamous metaplasia. Encircle an area of squamous cell carcinoma-in-situ. What is the difference? Does metaplasia usually precede squamous cancer? Does most metaplasia develop into...

Cervix - Atrophy

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Is this a tissue section or a smear of an epithelial surface? What famous doctor is this smear named after? In most non-atrophic normal Pap smears the predominant cell is a small nucleated abundantly...

Breast - Hyperplasia Of Lactation

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What is the eosinophilic material distending many acini? Show it. Is this glandular/stromal cross-sectional ratio higher than the previous slide? Why?

Breast - Hyperplasia Of Pregnancy

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What percentage of this breast tissue is glands (vs. stroma or connective tissue)? What is a normal percentage for premenopausal, non-pregnant adult women, pregnant women, lactating women, and postmenopausal...

Bone Marrow - Erythroid Hyperplasia

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What is the normal ratio of marrow cells to fat in an average normal adult hematopoetic bone marrow? What is the ratio here? What is the normal ratio of myeloid cells to erythroid cells in an average...

Bone - Hyperparathyroidism

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Name some common causes of hyperparathyroidism. What is the normal weight of a single parathyroid gland? Are most causes of hyperparathyroidism associated with an increase in parathyroid gland weight?...

Aorta - Atherosclerosis 2

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Point out cholesterol clefts, ulceration (of intima), and dystrophic calcification. Is dystrophic calcification usually associated with hypercalcemia? Is the other type of calcification, metastatic...

Aorta - Atherosclerosis With Fatty Streak

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Encircle the fatty streak. What is its significance? Is a fatty streak the earliest grossly recognizable finding of atherosclerosis? At what age can fatty streaks be identified in most Americans? What...

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