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DERMATOPATHOLOGY > ADNEXAL TUMORS > Flashcards

ADNEXAL TUMORS Flashcards

1
Q
A
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2
Q

POROID CELLS + EPIDERMAL ATTACHEMENT

A

Poroma

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3
Q

POROID CELLS + INTRAEPIDERMAL

A

HIDROACANTHOMA SIMPLEX

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4
Q

POROID CELLS + SMALL DERMAL NODULES

A

DERMAL DUCT TUMOR

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5
Q

POROID CELLS + LARGE DERMAL NODULE +/- CYSTS

A

HIDRADENOMA

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6
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7
Q

TADPOLE-SHAPED DUCTS

A

Derived from the eccrine gland ducts

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8
Q

CYST + DECAPITATION SECRETION

A

APOCRINE HIDROCYSTOMA

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9
Q
A

APOCRINE HIDROCYSTOMA

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10
Q

CYST + 2 LAYERS OF CUBOIDAL CELLS + NO DECAPITATION SECRETION

A
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11
Q
  • Opens to surface
  • Blue papillary fronds projecting into lumen (clear space)
  • Decapitation secretion
  • Plasma cells
A
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12
Q
  • BLUE dermal nodule with branching cystic spaces
  • Papillary fronds projecting into lumen
  • Decapitation secretion
A
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13
Q

Difference of SYRINGOCYSTADENOMA PAPILLIFERUM from HIDRADENOMA PAPILLIFERUM

A

SCAP looks like a SLIDE (invagination looks like a playground slide) while HP is maze-like and plasma cells are not seen

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14
Q

JIGSAW PUZZLE

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15
Q

BLUE BALL + PEPPERED BY LYMPHOCYTES

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16
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17
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18
Q

stains for Sialomucin (EMPD)

A

Alcian blue (pH2.5), Colloidal iron, Mucicarmine, PAS

19
Q

What is the staining of EXTRAMAMMARY PAGET’S DISEASE for PAS and diastase

A
  • Diastase resistant means they don’t contain any glycogen to be digested by diastase
20
Q

Stains for EMPD

A

CAM5.2, EMA, CK7

21
Q

staining pattern of Primary EMPD

A

CK 7 (+), CK 20 (-)

22
Q

Secondary EMPD staining pattern

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CK 7 (-), CK 20 (+)

23
Q

SEBACEOUS GLAND STAINS

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24
Q

LARGE SEBACEOUS GLANDS AROUND A DILATED FOLLICLE

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25
Q

BUMPY (papillomatosis), BALD (loss of hair follicles), BUBBLY (high-lying sebaceous glands), BIG GLANDS (apocrine)

A
26
Q
  • Increase in basaloid germinative cells
  • Sebaceous glands > basaloid cells (<50% basaloid cells)
A
27
Q

Organoid tumor - comprises of abnormality in the epidermis, hair follicles, sebaceous glands and sweat glands

A

Nevus Sebaceus

28
Q
  • Increase in basaloid germinative cells
  • Sebaceous glands > basaloid cells (<50% basaloid cells)
A
29
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A
30
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  • basaloid islands in a jigsaw pattern made up of 2 cell population (pale cells in the center and dark cells at the periphery) with hyaline droplets in the middle of the lobules

CYLINDROMA

31
Q
A
  • poroid cells in the epidermis which grows down into the epidermis with an epidermal attachment

POROMA

32
Q
A
  • lobule with a predominance of basaloid germinative cells and pockets of sebocytes

SEBACEOMA

33
Q
A
  • papillae covered by 2 layers of cells and inner columnar cell layer with decapitation secretion and an outer myoepithelial layer
  • papillae has fibrovascular core lots of PLASMA CELLS

SYRINGOCYSTADENOMA PAPILLIFERUM

34
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DERMATOPATHOLOGY (16 decks)

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