Behcets disease: recurrent oral ulcers, painful genital ulcers, and skin pustules after needle prick. Pathergy test is positive.
Clues to diagnosis:
— Recurrent oral and genital ulcers
— Pathergy test positive (papule/pustule after needle prick)
— Skin pustules, erythema nodosum-like lesions
— Systemic vasculitis that can affect eyes, CNS, joints, GI tract
🧠 Tip to remember:
"Behçet = ulcers + pathergy + pustules"
Clues to diagnosis:
— Recurrent oral and genital ulcers
— Pathergy test positive (papule/pustule after needle prick)
— Skin pustules, erythema nodosum-like lesions
— Systemic vasculitis that can affect eyes, CNS, joints, GI tract
🧠 Tip to remember:
"Behçet = ulcers + pathergy + pustules"
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juxtaphrenic peak sign, also known as diaphragmatic tenting or Kattan sign, refers to the peaked or tented appearance of a hemidiaphragm, which can occur in the setting of ipsilateral lung volume loss, e.g. lobar collapse, post lobectomy. It is caused by the retraction of the diaphragm at an inferior accessory fissure (most common 1), major fissure, or inferior pulmonary ligament. It is commonly seen in left or right upper lobe volume loss but may also be seen in middle lobe collapse
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CRP vs. Procalcitonin.
An evidence-based comparison between CRP and Procalcitonin (PCT), highlighting key evidence and guidelines regarding PCT's utility:
An evidence-based comparison between CRP and Procalcitonin (PCT), highlighting key evidence and guidelines regarding PCT's utility:
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