Pathology buzz words

Question 1

Antoni A and Antoni B cells

Answer 1

Spindle cell tumor most likely neurolemoma (schwanoma). Spindle A are closely packed, Spindle B loosely

Question 2

Blessig-Iwanoff cysts

Answer 2

found in peripheral outer plexiform cystic degeneration

Question 3

Busacca nodule

Answer 3

granulomatous mass near base of iris, found in Sarcoid

Question 4

Cowdry Type inclusions

Answer 4

eosinophilic intranuclear inclusions of Herpes simplex

Question 5

Dalen-Fuch’s nodules

Answer 5

transformed RPE cells and histiocytes

Question 6

Dutcher body

Answer 6

intranuclear Ig in plasma cells, seen also in lymphoproliferative disease

Question 7

Fite stain

Answer 7

Acid-Fast Bacillus stain

Question 8

Gamori Methenamine silver stain

Answer 8

Fungal stain

Question 9

Gitter cells

Answer 9

lipid laden macrophages

Question 10

Gunn’s dots

Answer 10

found in juvenile retinoschisis

Question 11

Halberstaedter-Prowazek inclusions

Answer 11

chlamydial inclusions (basophilic intracytoplasmic inclusions)

Question 12

Henderson-Paterson Corpuscles

Answer 12

Eosinophilic inclusion bodies seen in molluscum contagiousum

Question 13

Horner-trantas dots

Answer 13

degenerated eosinophils seen as nodules at the limbus in vernal keratoconjunctivitis

Question 14

Koeppe nodule

Answer 14

granulomatous mass near “Korner” of pupil, found in Sarcoid

Question 15

Langhan’s cell

Answer 15

Histiocyte conglomeration, found in TB and sarcoid. No lipid rim, horseshoe shaped.

Question 16

Merkel cell tumor

Answer 16

very malignant tumor arising from mechanoreceptors of touch, rare and deadly!

Question 17

Morgangnian globules

Answer 17

cortical degeneration of lens

Question 18

Psamomma body

Answer 18

round calcifications seen in meningioma

Question 19

Rosenthal Fiber

Answer 19

“worm-like” eosinophil glial materal that is non-specific but found in pilocytic astrocytoma AKA optic nerve glioma)

Question 20

Russell body

Answer 20

constipated plasma cell, cytoplasmic inclusion Ig

Question 21

Schaumann body

Answer 21

Giant cell inclusion body found in sarcoid, laminated appearance

Question 22

Touton giant cell

Answer 22

histiocyte conglomeration in round formation. Has lipid rim (stains with oil red O), noted in JXG and Erdheim-Chester disease (contrast with Langhan’s cell)

Question 23

Waite-Beetham lines

Answer 23

Faint but deep stromal wrinkles seen with corneal edema

Question 24

Warthin-Starry stain

Answer 24

Silver stain for Bartonella Henselae in Cat-Scratch disease

Question 25

Wedl cells

Answer 25

bladder cells of cataracts, swollen cells inside lens

Question 26

Ziehl-Nielsen stain

Answer 26

Acid-Fast Bacillus stain

Question 27

Zimmerman’s Tumor

Answer 27

Phakomatous choristoma, errant lens tissue in inferonasal lid, presenting as lid mass in newborn, usually have normal lens development otherwise.

Question 28

Heinz Body

Answer 28

Hemolytic Glaucoma