Nodule: Or something else? Differential Diagnosis
Blood, hematopoietic organs – immune system (D50-D90). Sarcoidosis (synonyms: Boeck’s disease; Schaumann-Besnier’s disease) – systemic disease of connective tissue with granuloma formation. Skin and subcutaneous (L00-L99). Acne nodulocystica – form of acne characterized by the appearance of nodules and cysts. Epidermal cyst – bulging elastic node in the area of the epidermis. Erythema nodosum (nodular … Nodule: Or something else? Differential Diagnosis