6 results
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
life Causes and clinical ... Infections 2. ... lesions - Wheals ... #rheumatology # ... comparison #table
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Nodular or cavitary lesions ... Advanced HIV (CD4 cell ... Hematologic malignancy ... Imaging, high res CT ... #differential #
Solitary Cell Plasmacytoma

What?
• Plasma cell neoplasms can present as a single lesion (solitary plasmacytoma)
• In 3%
present as a single lesion ... space-occupying lesions ... extramedullary lesions ... primary solitary lesion ... #Workup #Hematology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
a "wood-grain" appearance ... classic targetoid lesions ... PrathitKulkarni #Erythemas #comparison ... #table #differential ... #diagnosis #dermatology
Morel-Lavallée Lesion - MSK Radiology
Imaging Findings:
 • Large, smoothly marginated, well-circumscribed mass along the medial myofascial
Morel-Lavallée Lesion ... margin of the lesion ... surrounding the lesion ... Differential diagnosis ... #clinical #Radiology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
) Suspect: Clinical ... papulosquamous lesions ... permanent alopecia Differential ... fibromyalgia) • Infections ... #Rheumatology