Tinea versicolor – low magnification

LEGEND

  • Histopathology that may appear normal at low magnification

  • A mild perivascular lymphocytic infiltrate may be observed

  • Important clue: the sandwich sign, characterized by an alternation between basket-weave hyperkeratosis and compact hyperkeratosis

Tinea versicolor

LEGEND

Careful inspection of the compact orthokeratosis reveals the presence of yeast and pseudohyphae

  • Alternation between basket-weave orthokeratosis and compact orthokeratosis

Tinea versicolor – spaghetti and meatballs

LEGEND

These findings are located within the compact orthokeratosis

  • Yeast and pseudohyphae look like spaghetti and meatballs

Tinea versicolor

LEGEND

  • Spaghetti and meatballs

Tinea versicolor

LEGEND

  • Meatballs