Spitz Nevus, Epithelioid Type What is the distinguishing feature?
Large polygonal cytoplasm with distinct cell borders
Halo Nevus- The melanocytic nevus is surrounded by this
Depigmented skin
Dysplastic Nevi
What is the probability that someone will develop melanoma over the age of 65
Someone with Dysplastic Nevi syndrome will develop melanoma is greater than 50%
Verrucae
What is Koliocytosis
Cytoplasmic vacuolization of HPV infected cells. Histologic changes can be seen right around the nucleus
Verrucae (warts) what is the nature/cause of these?
Caused by HPV
Verruca Vulgaris, where can these be found and what do they look like?
they can be found on the hands, and they are pebble like.
Verruca Plana what do they look like?
tan, flat and smooth
Verruca Plantaris, where can they be found?
Are they painful or non-painful?
They are found on the bottom of the foot. And they do cause pain
Verruca
Condyloma acuminatum- What are they are where are they found?
They are cauliflower-like masses found on the genitalia and rectum
Psoriasis
What are the key features and what does it look like?
It is common, it is well demarcated, pink and scaly, plaque nail changes are present
Related to Psoriasis
What is Acanthosis
It is the thickening of the epidermis, and squamous cells infiltrate, and blood vessels infiltrate the dermis. Darkening of the skin.
Related to Psoriasis
Auspitz Sign Defined
Portions of the epidermis are thin, and the underlying blood vessels are prone to bleeding.
Related to Psoriasis
What is Munro’s abscesses
They are small aggregates of neutrophils within the superficial epidermis
Related to Barrett Esophagus
What is a common cause of this?
It can be caused from complications of longstanding acid reflux
How does metaplasia play a part in Barrett’s esophagus?
Stratified Squamous epithelium cells are replaced by columnar glandular epithelium
Related to GI
What are Phytobezoars? What are some of the associations and what is the treatment
They are an accumulation of vegetable products in the stomach and produce a ball, they can be associated with gum, delayed gastric emptying, neuropathy of diabetes, or gastric carcinoma.
Treat with cellulase- an enzyme to that can breakdown vegetable material
Related to GI
What is a Trichobezoar
It is a hairball with gelatinous matrix in the stomach, it is related to a psychosis- people eat their own hair.
Related to GI
What are some characteristics of a Hyperplastic Polyp
They are not true neoplasms, there are usually multiple, characterized by elongated distorted glands
