Differential Diagnosis: Pigmented Lesions Flashcards Preview

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Flashcards in Differential Diagnosis: Pigmented Lesions Deck (19):
1

What is the Differential Diagnosis for a Single Pigmented Lesion? (4)

"I got a tattoo (single pigmented lesion) so now I am on the LAMB from my dad"

  • Lingual Varices
  • Amalgam Tattoo
  • Melanotic Macule
  • Blue Nevus

2

What is the Differential Diagnosis for Multiple (Diffuse) Pigmented Lesions? (9)

  • Racial Pigmentation
  • Smoker's Melanosis
  • Heavy Metal Line
  • Medication Reaction
  • Post-Lesional Pigmentation
  • Addison's Disease 
  • Oat Cell Carcinoma
  • Peutz-Jegher's Syndrome
  • GI + Respiratory Disease

3

What are the medications that can cause a reaction that appears as multiple (diffuse) pigmented lesions?

"When i check my balance at the ATM, my BP goes uP, so i take medication"

  • Antimalarials
  • Tranquilizers
  • Minocycline
  • BCP
  • Plaquenil
  • Pegasus

4

What is in the Differential Diagnosis for a gingival mass that is soft, red, painless and bleeds easily?

  • Pyogenic Granuloma
    • 75% on gingiva, others on lip and palate
  • Peripheral Giant Cell Granuloma 
    • Young Female
    • Only on Gingiva

5

What is in the Differential Diagnosis for a gingival mass that is firm, pink, does not bleed easily?

  • Fibroma
    • Buccal Bite Line, Lip, Tongue
  • Peripheral Ossifying Fibroma
    • ONLY on Gingiva
    • Can displace teeth
    • Cupping/triangulation of crestal bone
    • Reactive to irritant along PDL

6

What gingival mass is rare, and seen in middle aged pts (~52 yrs)?

Peripheral Ameloblastoma

Firm, bony hard

7

What is the Differential Diagnosis for Palatal Destruction due to a fungal infection?

  • Mucormycosis
  • Aspergillosis
  • Histoplasmosis 
  • Blastomycosis 

8

Which fungal infection is usually in uncontrolled diabetics?

Mucormycosis 

9

Which fungal infection, causing palatal destruction has 90 deg branching, non-eptate hyphae?

Mucormycosis

10

Which fungal infection, causing palatal destruction has ACUTE angle, SEPTATE hyphae?

Aspergillosis 

11

Which fungal infection, causing palatal destruction is the most common systemic fungal disease?

Histoplasmosis

12

Which fungal infection, causing palatal destruction is rare in immunocomprimised pts?

Blastomycosis

13

Which fungal infection, causing palatal destruction is common in Males, in the Eastern US?

Blastomycosis

14

Which fungal infection, causing palatal destruction has a histology showing PEH, mimicing malignancy (ulcers with rolled borders)?

Blastomycosis

15

Which fungal infection, causing palatal destruction has an initial presentation of a maxillary palatal swelling, followed by a reddish/black hole in the vestibule?

Mucormycosis

16

What is the Differential Diagnosis for bacterial infections causing palatal destruction? (3)

  • NOMA
    • Midface destruction 
  • TB
    • Midface destruction
  • Tertiary Syphilis
    • Gumma = interstitial glossitis

17

What is the Differential Diagnosis for palatal destruction from non-infectious causes? (4)

  • Angiocentric T-cell Lymphoma
    • Nasal stuffiness, Epitaxis, Pain
  • Wegner Granulomatosis
    • Strawberry Gingivitis
    • Histo = eosinophils 
  • Cleft Palate
  • Cocaine Abuse
    • Nasal septum necrosis
    • Midline hole in palate

18

What is the Differential Diagnosis for palatal destruction that is off of the midline? (2)

  • Sinus SCC
    • Perforates anyway it wants to
  • Necrotizing Sialometaplasia
    • MALE
    • No palatal perforation, chuck on palate falls out, due to an infarct in salivary tissue
    • PEH

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