Platelet-Rich Plasma: A Comprehensive Review of Emerging Applications in Medical and Aesthetic Dermatology.

Platelet-rich plasma (PRP) has been integrated into numerous treatment regimens for medical and aesthetic dermatology. While some of these approaches are well-established, many uses are underreported in the literature. We sought to identify and summarize the emerging dermatologic applications for PRP by conducting a comprehensive PubMed search of studies published between 2000 and 2020.

Angiolymphoid Hyperplasia with Eosinophilia: Many Syllables, Many Unanswered Questions.

Angiolymphoid hyperplasia with eosinophilia (ALHE) is an uncommon, benign inflammatory vasoproliferation. The literature is divided regarding whether it embodies a vascular neoplasm or a reactive process secondary to various stimuli. ALHE presents as solitary or clustered papules or nodules primarily on the head and neck, especially on or around the auricle.

A Rare Case of Trichilemmal Carcinoma: Histology and Management.

Trichilemmal carcinoma (TC) is a rare cutaneous tumor thought to be derived from the follicular outer root sheath (ORS). It often manifests as a nondescript skin-colored or pink papule on the hair-bearing, sun-exposed anatomic sites of elderly patients. Trichilemmal carcinoma shows many histologic features reminiscent of follicular ORS-notably, its glycogen-rich clear cells, trichilemmal keratinization, and similar immunostaining profile.