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This paper presents a case of disseminated paracoccidioidomycosis in a 62-year-old male patient, who lives in Belo Horizonte, MG, Brazil. The patient was hospitalized with icteric syndrome of cholestatic pattern and weight loss, with loss 30 kg in 5 months. The imaging of the abdomen showed lesion of infiltrative pattern, affecting gallbladder and intrahepatic bile ducts, suggesting neoplasia of malignant behavior, besides to presenting the yellow nail syndrome. Dermatological examination presented erythematous-infiltrated plaques in the occipital region. Also, the patient presented tegumentary lesions on the scalp and lumbar region from which the histopathological examination was carried out, which evidenced yeasts cells. The drug of choice for therapy was Liposomal Amphotericin-B. At the end of the antifungal treatment, liver enzyme dosages were normalized and there was improvement of the general condition of the patient, as well as the skin lesions. Here, we demonstrate the importance of molecular biology to confirm the diagnosis. Especially in cases of difficult diagnosis.

This paper presents a case of disseminated sporotrichosis in a 13-year-old female, originating from a rural area in Minas Gerais state, Brazil. The patient was hospitalized in Santa Casa hospital of Belo Horizonte, with hyporexia, prostration, fever and disseminated ulcerative lesions, besides anemia, leucopenia and sepsis of probable cutaneous focus. The patient was admitted without proven immunosuppression. She was diagnosed with cutaneous-disseminated sporotrichosis. The drug therapy chosen was itraconazole during 12 months, leading to important clinical improvement and healing of cutaneous lesions. Keywords: Sporotrichosis, Sporothrix brasiliensis, Diagnosis, Molecular markers, Nucleotide sequencing