15 results
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... thrombophlebitis Skin ... band syndrome • Shin ... Brittle nails - Skin ... skin • Inflammation
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Negative Abscess ... - Differential ... Toxoplasmosis, Entamoeba Skin ... Autoimmune: Crohn's disease ... Diagnosis #InfectiousDiseases
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
Mycobacterium abscessus ... underlying lung disease ... Primary skin and ... Mycobacterium #diagnosis #differential ... #infectiousdiseases
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
trauma leads to skin ... Culture of tissue ... biopsy preferred Differential ... University Infectious Diseases ... Infection #clinical #photo
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Pulmonary • Skin ... • M genavense Skin ... , adenitis, skin ... • M fortuitum Skin ... NTM #Infections #differential
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Pain Causes - Differential ... Back pain • Skin ... • Splenomegaly/Abscess ... Abdominal cutaneous nerve ... Chronic #Causes #Differential
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
osteomyelitis or skin ... Sinusitis • Brain abscess ... organism into the skin ... Mouth, throat, skin ... Fungal #Diagnosis #Management
Blastomycosis Summary

Pathogen: 
 • Dimorphic fungus - Blastomyces dermatitidis or Blastomyces gilchristii.
 • The fungus lives
Pneumonia • Skin ... BAL, CSF, urine, Skin ... tissue 2) Culture ... Blastomycosis #diagnosis #management ... #treatment #infectiousdiseases
Pyoderma Gangrenosum in Ulcerative Colitis- ...left chest (Panel A) and leg (Panel B). The physical examination
examination revealed skin ... inflammatory-cell infiltrate, abscess ... examination and cultures ... , inflammatory skin ... #clinical #photo
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
Chronic kidney disease ... emboli • Lung abscess ... • Tuberculin skin ... NAA (PCR) and Culture ... TB #Diagnosis #Management