33 results
Purple Urine Bag Syndrome
Chronic, indwelling catheter + bacteriuria (Providencia, Klebsiella, E.coli*) + alkaline urine
Tryptophan → Indoxyl
Purple Urine Bag ... Purple #Urine #Bag ... Syndrome #PUBS #pathophysiology ... #clinical #photo ... #differential #
Thyroid Eye Signs 
Lid Signs
    Dalrymple’s Sign: Lid Retraction.
    Von
Thyroid Eye Signs ... : Lid lag of the ... Extra-Ocular Muscle ... intra-ocular pressure ... OPHTHALMOLOGY #clinical
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Diagnostic Algorithm Pathophysiology ... - Pathophysiology ... Ill-appearing, vital sign ... Mucocutaneous or ocular ... Targetoid #Algorithm #Differential
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
Pathogenesis and Clinical ... XR — scotty dog sign ... vertebrae • CT - collar ... MSK #diagnosis #pathophysiology ... #signs #symptoms
Hutchinson's Sign
 - A sign of ophthalmic zoster
  - Multiple crusted vesicles in distribution of
Hutchinson's Sign ... - A sign of ophthalmic ... - High risk of ocular ... #Hutchinsons #Sign ... #clinical #photo
Periorbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Dacryoadenitis: infection of the lacrimal glands
b. Conjunctivitis: inflammation of the
Pathogenesis and Clinical ... of the lacrimal sac ... normal: - extra-ocular ... Periorbital #Cellulitis #pathophysiology ... ophthalmology #diagnosis #signs
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
Landscaper w/ painless nodular ... painless, no systemic signs ... biopsy preferred Differential ... Sporotrichiosis #Infection #clinical ... #photo #hand
Sarcoidosis - Skin Manifestations

This is a quick overview of some of the cutaneous manifestations of sarcoidosis.
is often on the differential ... Lupus Pernio • Macular ... Sarcoidosis #diagnosis #clinical ... #differential # ... treatment #photo
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Nodular LCH: - Sarcoidosis ... : 'signet ring sign ... central dot. - LIP #Clinical ... Cystic #Cysts #Differential
Orbital Cellulitis: Pathogenesis and Clinical Findings
Definitions:
a. Chemosis: Edema of the bulbar conjunctiva
b. Panopthalmitis: inflammation of all
Pathogenesis and Clinical ... - Impinges on ocular ... Impaired extra-ocular ... Orbital #Cellulitis #pathophysiology ... ophthalmology #diagnosis #signs