Candidiasis
236 Histoplasmosis Chadi A. Hage, L. Joseph Wheat ETIOLOGY Histoplasma capsulatum, a thermal dimorphic fungus, is the etiologic agent of histoplasmosis. In most endemic areas, H. capsulatum var. capsulatum is…
Varicella-Zoster Virus Infections
I. Mucocutaneous HSV infections A. Infections in immunosuppressed patients 1. Acute symptomatic first or recurrent episodes: IV acyclovir (5 mg/kg q8h) or oral acyclovir (400 mg qid), famciclovir (500 mg…
Epstein-Barr Virus Infections, Including Infectious Mononucleosis
I. Mucocutaneous HSV infections A. Infections in immunosuppressed patients 1. Acute symptomatic first or recurrent episodes: IV acyclovir (5 mg/kg q8h) or oral acyclovir (400 mg qid), famciclovir (500 mg…
Pheochromocytoma
Etiology In at least 90% of patients with Cushing’s disease, ACTH excess is caused by a corticotrope pituitary microadenoma, often only a few millimeters in diameter. Pituitary macroadenomas (i.e., tumors >1…
Disorders of Sex Development
Etiology In at least 90% of patients with Cushing’s disease, ACTH excess is caused by a corticotrope pituitary microadenoma, often only a few millimeters in diameter. Pituitary macroadenomas (i.e., tumors >1…
Disorders of the Testes and Male Reproductive System
Etiology In at least 90% of patients with Cushing’s disease, ACTH excess is caused by a corticotrope pituitary microadenoma, often only a few millimeters in diameter. Pituitary macroadenomas (i.e., tumors >1…
Plague and Other Yersinia Infections
Tularemia is a zoonosis caused by Francisella tularensis. Humans of any age, sex, or race are universally susceptible to this systemic infection. Tularemia is primarily a disease of wild animals…
Parvovirus Infections
I. Mucocutaneous HSV infections A. Infections in immunosuppressed patients 1. Acute symptomatic first or recurrent episodes: IV acyclovir (5 mg/kg q8h) or oral acyclovir (400 mg qid), famciclovir (500 mg…
Infections Due to Mycoplasmas
More than 150 species of NTM have been identified. Only a minority of these environmental organisms, which are found in soil and water, are important human pathogens. NTM cause extensive…