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Volume 32, Number 3—March 2026

Research Letter

Cutaneous Paraconiothyrium cyclothyrioides Infection in Lung Transplant Recipient, Georgia, USA

Carolyn MackeyComments to Author , Stephanie Thomas, Lucy S. Witt, Elizabeth Sajewski, Shawn R. Lockhart, Stephanie M. Pouch, Justin Cheeley, Jamie B. MacKelfresh, and Jeremy A.W. Gold
Author affiliation: Georgia Emerging Infections Program, Atlanta, Georgia, USA (C. Mackey, S. Thomas, L.S. Witt, S.M. Pouch); Atlanta Veterans Affairs Health System, Decatur, Georgia, USA (C. Mackey, S. Thomas, L.S. Witt, S.M. Pouch); Emory University School of Medicine, Atlanta (C. Mackey, S. Thomas, L.S. Witt, S.M. Pouch, J. Cheeley, J.B. MacKelfresh); Centers for Diseases Control and Prevention, Atlanta (E. Sajewski, S.R. Lockhart, J.A.W. Gold)

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Figure 2

Histologic (A, B) and histochemical (C, D) findings from case of cutaneous Paraconiothyrium cyclothyrioides in lung transplant recipient, Georgia, USA. A) Skin biopsy from right shin revealed psuedoepitheliomatous hyperplasia of the epidermis overlying a mixed dermal inflammatory infiltrate. Hematoxylin and eosin stain; original magnification ×40. B) Polymorphic fungal elements (arrows) seen within the superficial dermis. Hematoxylin and eosin stain; original magnification ×200. C) Numerous fungal hyphal elements and yeast-like forms (arrows) highlighted within the dermis. Grocott methenamine silver stain; original magnification ×200. D) Fungal hyphal elements and yeast-like forms (arrows) noted by Periodic acid–Schiff stain; original magnification ×200.

Figure 2. Histologic (A, B) and histochemical (C, D) findings from case of cutaneous Paraconiothyrium cyclothyrioides in lung transplant recipient, Georgia, USA. A) Skin biopsy from right shin revealed psuedoepitheliomatous hyperplasia of the epidermis overlying a mixed dermal inflammatory infiltrate. Hematoxylin and eosin stain; original magnification ×40. B) Polymorphic fungal elements (arrows) seen within the superficial dermis. Hematoxylin and eosin stain; original magnification ×200. C) Numerous fungal hyphal elements and yeast-like forms (arrows) highlighted within the dermis. Grocott methenamine silver stain; original magnification ×200. D) Fungal hyphal elements and yeast-like forms (arrows) noted by Periodic acid–Schiff stain; original magnification ×200.

Main Article

Page created: February 27, 2026
Page updated: March 20, 2026
Page reviewed: March 20, 2026
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