Al principio, las lesiones de ectima gangrenoso toman la forma de máculas rodeadas de eritema que rápidamente se transforman en ampollas y escaras ulcerativas necróticas. 3/4
El ectima gangrenoso es una vasculitis necrosante poco frecuente, en la mayoría de los casos secundaria a sepsis por Pseudomonas aeruginosa en pacientes inmunocomprometidos. 4/4
A 29-YO👨⚕️#physician, a needlestick injury with a needle used to collect a fluid sample from a man who had a pustular rash (later confirmed to be #monkeypox), the gloves appeared intact to him
Four days later, a vesicle appeared on the pricked finger (A) 1/7
Progress of #monkeypox index lesion:
A) on the 4th day of illness
B) on the 6th day of illness
C) on the 18th day of illness
D) Necrotic scab underneath the devitalized tissue of the index lesion on the 24th day of illness 3/7
A 19-YO👩🦰, taken care of an 11-YO👦with bronchitis: cough, fever, dyspnea & pneumonia (XR)
Levofloxacin➡️hypoxia resolved, but:
- Orolabial blisters & rash, day 8
- Conjunctivitis, day 9
- Hemorrhagic denuded labial lesions, day 17 1/7
🔬skin lesion: interface dermatitis, consistent with erythema multiforme/Stevens-Johnson syndrome–type histological changes
ELISA for M. pneumoniae IgM, initially➖, &➕at day 10
MYCOPLASMA PNEUMONIAE-INDUCED RASH AND MUCOSITIS (MIRM) 2/7
Extrapulmonary manifestations of M. pneumoniae infection:
✔️in 10% of patients
✔️mucocutaneous eruptions, central nervous system disease, carditis, hemolytic anemia, and Raynaud disease associated with cold agglutinins, renal disease, or arthritis.
PRIMOINFECCIÓN POR EL VIRUS HERPES SIMPLE TIPO 1
✔️inicio súbito
✔️múltiples vesículas sobre base inflamatoria
✔️a veces ampollas
✔️generalmente en un sitio único
✔️evolucionan a lesiones exudativas y ulcerocostrosas (figuras)
✔️sin secuelas. 2/4
A 58-YO, toothache: swelling in the neck, sore throat, chills, chest pain; oral cavity indurated & woody, neck adenopathy; erythema spreading from his neck down over his anterior chest wall (A & B)
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Compromise of the airway can progress rapidly, with lethal consequences; therefore, immediate consideration should be given to surgical débridement of the infected areas and antimicrobial therapy.
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