A middle age lady with Fever and Productive cough

A patient with dyspnea, cough, and fever.

Figure 1. A, Grocott methenamine silver (GMS) stain showing Pneumocystis organisms within a granuloma. Inset, digitally magnified Pneumocystis organism showing characteristic paired “dark bodies” diagnostic of Pneumocystis species. B, Immunohistochemical stain using antibodies directed against Pneumocystis species with use of the treptavidin-biotin immunoperoxidase method. The discreet nature o...

Exophiala Pneumonia Presenting with a Cough Productive of Black Sputum

Exophiala species are black, yeast-like molds that can cause subcutaneous cysts as well as disseminated disease. Isolated pneumonia due to Exophiala species is extremely uncommon. We report a case of isolated Exophiala pneumonia in a patient with bronchiectasis who presented with worsening dyspnea and a cough productive of black sputum. The production of black sputum, known as melanoptysis, is ...

A middle age addicted man with caustic stomach

Background: The term caustic generally refers to alkaline and the term corrosive generally refers to acidic agents' injury however, in medical literature caustic is frequently a term applied to both substances. Ingested alkali typically damage the esophagus more than stomach or duodenum, whereas acids usually cause more severe gastric injury. Since esophagus has a slightly alkaline pH, its epit...

A middle-aged lady with an asymptomatic, hyperpigmented plaque on the thigh: what is your diagnosis?

CLINICAL PRESENTATIONA 44-year-old lady came to a dermatology clinic due to an asymptomatic, hyperpigmented plaque on her right thigh since 4 months ago. On physical exam, hypertrichosis on the lesion was notable (Figure 1). Rubbing the lesion resulted in erythema and edema of the lesion. She had no systemic disease and her family history was unremarkable.

A man with fever, cough, diarrhea and a coated tongue.