system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A woman who pricked her finger while pruing some rose bushes develops a local pustule that progressed to an ulcer. Several nodules then developed along the local lymphatic drainage. The most likely etiological agent would be - rpt
assistant
The correct answer is  Sporotrichosis is a chronic infection involving cutaneous, subcutaneous and lymphatic tissue. caused by Sporothrix schenckii. pathogenesis: 1. Lesions on the exposed pas of the skin follow minor trauma. Nodules are first formed followed by ulceration and necrosis of nodules. 2. From the lesions in skin and subcutaneous tissue the infection can spread by lymphatic channels to lymph node and lymphatics are hardened and cord like. .