Most common is a solitary, rapidly proliferating, dome-shaped, erythematous or flesh-colored papule or nodule with a central keratinous plug, typically reaching 1 to 2 cm in diameter...
Lesion begins as a small, solitary, pink macule that undergoes a rapid growth phase; classically reaching a diameter of 1 to 2 cm; size may vary.
Once the proliferative stage has subsi...
Treatment of choice is an excisional procedure plus electrodessication and curettage (ED&C); however, there are many treatment options available (2)[C].
Aggressive tumors (>2 cm) or le...
The American Academy of Dermatology: https://www.aad.org/spot-skin-cancer/learn-about-skincancer/types-of-skin-cancer
The Skin Cancer Foundation: http://www.skincancer.org/
D23.9 Other benign neoplasm of skin, unspecified
D48.5 Neoplasm of uncertain behavior of skin
L85.8 Other specified epidermal thickening
216.9 Benign neoplasm of skin, site unspecified
Suspect KA with a solitary, dome-shaped, erythematous or flesh-colored papule or nodule with a central keratinous plug.
If KA is in the differential diagnosis, elicit time frame of onse...
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Figure 10.44. Keratoacanthoma. This dome-shaped lesion arose over a matter of months. A central, keratin-filled crater can be seen.
<bold><italic>Figure 14.50.</bold> A.</bold> Squamous cell carcinoma. <bold>B.</bold> Keratoacanthoma.
Keratoacanthoma. A keratin-filled crater (right) is lined by glassy proliferating keratinocytes that invade the dermis.
<bold><italic>Figure 24-29</bold> Keratoacanthoma. A:</bold> This rapidly growing nodule appeared on the sun-exposed dorsum of the wrist. Note its volcano-like appearance. <bold>B:</bold> The microscopic study shows hyperplasia of the epidermis and a central core of keratin.
<bold><italic>Figure 24-29</bold> Keratoacanthoma. A:</bold> This rapidly growing nodule appeared on the sun-expos...
Squamous Cell Carcinoma of the Lip