59 results
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
Vitamin B12 (Cobalamin ... Vit B12 - aka cobalamin ... B12 level (< 200 pg ... Treatment: • Oral cobalamin ... #Vitamin #B12 #Cobalamin
Dermatology Punch Skin Biopsy Demonstration

Useful for obtaining a full-thickness skin biopsy.

#Punch #Biopsy #clinical #video #dermatology #procedure
Dermatology Punch ... Biopsy #clinical #video ... #dermatology #procedure
Blanching Spider Angioma (Nevus) on Physical Exam

#Spider #Angioma #nevus #telangiectasia #PhysicalExam #clinical #video #dermatology #skin #blanching
PhysicalExam #clinical #video ... #dermatology #skin
Purulent Buttocks Drainage in Hidradenitis Suppurativa 

#Purulent #Buttocks #Drainage #Hidradenitis #Suppurativa #clinical #video #dermatology #PhysicalExam
Suppurativa #clinical #video ... #dermatology #PhysicalExam
Leser–Trélat Sign on Physical Exam

Acute onset of multiple seborrheic keratoses, often a paraneoplastic sign of malignancy.

#Leser
PhysicalExam #clinical #video ... #skin #dermatology
Harlequin Ichthyosis

Rare genetic disorder that results in thickened skin over nearly the entire surface of the
Ichthyosis #clinical #video ... pediatrics #genetics #dermatology
Morphological variation in Pyoderma Gangrenosum lesions

doi: 10.1038/s41572-020-0213-x

#Pyoderma #Gangrenosum #clinical #photo #skinrash #dermatology #pg
photo #skinrash #dermatology ... #pg
Cobalamin (vitamin B12)
In the diet:
5-15 pg/day (min. 1-5)
B12
Protein
HC
pH t
B12
Duodenum
Stomach
1
B12
R-protein
Protein
From saliva
R-protein
Intrinsic factor
Pancreas
B12
R-Protein
Trypsin
B12
Terminal ileum
B12
IF
2
Specific binding to receptors of
Cobalamin (vitamin ... the diet: 5-15 pg
Nikolsky's Sign in Toxic Epidermal Necrolysis (TEN)

Nikolsky's sign is a clinical dermatological sign which is present
Nikolskys #Sign #TEN #Dermatology ... #PhysicalExam #Video
Pyoderma Gangrenosum (PG)
50 M Crohn’s dz had a small pustule on the ankle 4 mo ago
Pyoderma Gangrenosum (PG ... Pyoderma gangrenosum (PG ... Management of PG ... #Gangrenosum #PG ... clinical #photo #dermatology