Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

msk-derm > Benign Skin Neoplasms > Flashcards

Benign Skin Neoplasms Flashcards

1
Q

A 42 y.o. male presents with a new mole that is sometimes itchy and bled once. What is the most likely diagnosis?

A

Seborrheic keratosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are seborrheic keratoses?

A

Benign superficial growths that can arise on all body surfaces except palms and soles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the appearance of seborrheic keratoses?

A

Superficial raised epidermal growths, stuck-on quality, sometimes have fissures or cracks on the surface, color is tan/brown/black

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are these lesions?

A

Seborrheic keratosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

The image on the left is normal skin, what is the image on the right?

A

Seborrheic keratosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are these lesions on the patient’s back?

A

Seborrheic keratoses

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are these spots on the patient’s dorsal hands?

A

Solar lentigo (sun spots)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Do solar lentigines suggest cancer likelihood?

A

They are not precancerous, but they can reflect extensive solar history which is a cancer risk

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the appearance of solar lentigo?

A

Flat light brown macules (lighter than typical nevi) that are common on sun damaged skin on sun exposed areas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is this?

A

Solar lentigo

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is this?

A

Solar lentigo

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are the histological features of solar lentigo?

A

Pigmented rete ridges, solar elastosis, increased melanin without increased melanocytes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What are the key differences between solar lentigo and melanoma?

A

Melanoma is darker, there are usually multiple, and the color is variable. Melanoma is also usually larger and evolving

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are these?

A

Acrochordons (skin tags)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the appearance of skin tags?

A

Soft fleshy papules that arise in axillae, neck, groin, eyelids. They can be skin colored or hyperpigmented. They are often attached to skin with a small stalk.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is this?

A

Acrochordons (skin tags)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is this slightly raised firm pink papule?

A

Dermatofibroma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What is the appearance of dermatofibromas?

A

Single small round firm papules (0.5-1 cm), pink/reddish brown/sometimes hyperpigmented

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What is the dimple sign?

A

A puckering of pink papule when pinched that suggests dermatofibroma

20
Q

What is this?

21
Q

What is the appearance of keloids?

A

Firm, hyperpigmented, pink or red plaque or nodule, often shiny or smooth surface

22
Q

What usually triggers a keloid?

A

They usually occur at the site of previous known tissue trauma (cut, piercing, burn, acne, etc)

23
Q

What is this?

A

Keloid

thick collagen nodules containing high density unidirectional collagen fibrils and fibroblasts

24
Q

What causes keloid formation?

A

Imbalance of too much collagen production, too little degradation

25
What is this?
Cherry angioma
26
What are these?
Cherry angiomas
27
What is the appearance of cherry angiomas?
Shiny bright red papules
28
What is this?
Cherry angioma - raised bump with dilated capillaries
29
What is the appearance of cherry angioma on histology?
Raised bump with dilated capillaries
30
What is this lesion that bleeds with minimal trauma?
Pyogenic granuloma
31
What is the appearance of pyogenic granulomas?
Eruptive, small solitary, sessile or pedunculated vascular (red), raised papules bleeds easily with trauma, relative quick onset
32
What are these?
Pyogenic granuloma
33
What is this?
Pyogenic granuloma ## Footnote *skin protrusion with dermis and dilated capillaries*
34
What is this nodule that bursts with white foul-smelling materials?
Epidermal inclusion cyst (EIC)
35
What is the presentation of an epidermal inclusion cyst?
A mobile subcutaneous nodule, often with overlying punctum
36
What is the cause of epidermal inclusion cysts?
They arise from dilated hair follicles that fill with debris and collects a sac of foul-smelling cheesy white material
37
What is this?
Epidermal inclusion cyst
38
What is this?
Lipoma
39
What is the appearance of a lipoma?
Soft, ill-defined, rubbery, painless, subcutaneous nodule
40
What are these bumps that do not resolve with acne cream?
Sebaceous hyperplasia
41
What is the appearance of sebaceous hyperplasia?
Cream colored or yellowish papule with central depression, usually located on face and multiple in number
42
What is this?
Sebaceous hyperplasia
43
What is this?
Sebaceous hyperplasia
44
What is this?
Hemangioma
45
What is the most common benign tumor of childhood?
Hemangioma
46

msk-derm (41 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions