A 32-YO♀️ from Guatemala, Ph+ B-ALL post #chemotherapy: #dyspnea
CT: ground-glass opacities (2A yellow box), interstitial pulmonary edema with septal thickening (2B yellow circles), & pericardial effusion (2C yellow arrows), lymph nodes (2D yellow arrows)
Eosinophilia 1/7
Due to normal ejection fraction, the differential diagnosis of dyspnea included non-cardiogenic pulmonary edema, pneumonitis secondary to chemotoxicity, and infection. 2/7
She progressed to acute hypoxic respiratory failure.
🔬bronchoalveolar lavage: numerous larvae (3A,3B) with short buccal grove (arrow head) and prominent genital primordium (arrow) consistent with STRONGYLOIDES HYPERINFECTION
Hyperinfection syndrome can occur from autoinfection leading to massive & disseminated life-threatening parasitic infection
While multiple organs can be affected in hyperinfection syndrome, most presentations involve the lungs & gastrointestinal tract 4/7
Strongyloides stercoralis is a soil-transmitted helminth endemic to tropical and subtropical regions and can be acquired due to parasite penetration through the skin. 6/7
Nitroblue tetrazolium dye reduction test: no reduction of the nitroblue tetrazolium
No right shift noted in the activated neutrophils in flow cytometry-based DHR assay (E, patient; F, control)
A 24-YO ♂️ 2 years prior bitten by an insect on his left mid-arm in Nicaraguan: within a week, developed a lesion at the site of the bite; over time increased in number and spread in multiple hyperkeratotic, wart-like papules. 1/8
Wet mount slide from cultures of biopsy using rabbit blood agar slant: aggregates of Leishmania promastigotes (arrow), which can be identified based on their elongated shape and flagella.
11 años ♀️, enrojecimiento del ojo D e inyección conjuntival (fig. 1), tobramicina en colirio: A los 9 días presenta un orzuelo palpebral inferior del mismo ojo (fig. 2) 1/2
La conjuntivitis o QUERATOCONJUNTIVITIS FLICTENULAR representa una reacción de hipersensibilidad frente a antígenos.
Se caracteriza por la formación de pequeñas lesiones circunscritas, nódulos (flicténulas), en el limbo corneal dentro de la conjuntiva y/o la córnea 2/5
As direct contact is the primary mode of transmission, sexual intimacy has been identified as a risk factor for #Mpox, and a high proportion of the current multinational outbreak has been in men who have sex with men. 3/7
A 39-YO ♂️, same-sex relationships involving condomless anal sex: 38°C, cervical lymphadenopathy, mucosal ulceration on his tongue and a maculopapular rash on his face, neck and anterior chest. 1/5
Features of acute HIV infection occur 2–4 weeks after exposure.
Common presentation includes fever, arthralgia and lymphadenopathy, which may mimic acute mononucleosis.
Seroconversion usually occurs 3–8 weeks after initial infection. 3/5