A 20-YO ♀️, college wrestling, Mexico: itching in the past 2 months, erythematous & fine-scaling papules with annular plaques having a raised border affecting the face, neck, & torso. 1/6
KOH: multiple thin & septate hyphae.
🧫, MALDI-TOF-MS: Trichophyton tonsurans
T. tonsurans was isolated in 4 cases belonging to the school fighting team & from one of the training mats
TINEA GLADIATORUM DUE TO TRICHOPHYTON TONSURANS IN A SCHOLL WRESTLING TEAN 2/6
Oral terbinafine for 3 weeks: clinical & mycological cure.
Tinea gladiatorum is a type of dermatophytosis that occurs in combat athletes, such as wrestlers and judo fighters, as a result of Trichophyton species. 3/6
Clinical picture includes:
📌erythematous-squamous plaques
📌with a raised and itchy border,
📌mainly affecting the head, neck, and arms, and rarely the lower limbs 6/6
Forchheimer spots, a type of enanthem:
📌sometimes precede the skin rash of rubella.
📌tiny red spots on the soft palate in rubella, measles and scarlet fever. 3/5
A 27-YO ♀️, fever and PCR + for #SARSCoV2: One week later, she developed migratory, pruritic urticarial erythematous plaques (wheals) on her face, limbs, trunk, palms & soles, and angioedema of her lips.
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Treated with cetirizine, 12 weeks later, she was still having episodes of urticaria
The most likely diagnosis was CHRONIC SPONTANEOUS URTICARIA TRIGGERED BY SARS-CoV-2, but other considerations were urticarial vasculitis and chronic inducible urticaria. 2/4
Urticaria is commonly triggered by viral & bacterial infections, including herpes simplex virus, cytomegalovirus, Epstein–Barr virus, HIV & mycoplasma.
It commonly precedes or occurs concurrently with COVID-19, but can rarely occur after symptoms have resolved. 3/
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
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