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Metabolism and cellular storage disorders encompass a broad, heterogeneous group of conditions with diverse etiologies, including genetic mutations and behavioral factors. These disorders often present with complex, multisystem involvement, and the skin frequently serves as a visible marker of underlying metabolic dysfunction. This comprehensive overview of key metabolic and storage disorders with cutaneous manifestations is categorized into vitamin disturbances, necrolytic erythemas, lysosomal storage diseases, mucinoses, amyloidosis, and miscellaneous conditions. Although histopathologic evaluation can offer valuable diagnostic clues, many of the features observed are nonspecific and require careful correlation with clinical presentation and laboratory findings. Recognizing these cutaneous signs is critical, as they can be the first indication of a systemic disorder, prompting timely diagnosis and management.

Systemic metabolic disorders and rare cellular storage diseases often present with a variety of skin manifestations that can serve as early indicators of underlying conditions. These disorders may have genetic or behavioral causes, including vitamin disturbances, necrolytic erythemas, lysosomal storage diseases, mucinoses, amyloidosis, calcinosis cutis, gout, porphyria, oxalosis, and others. Skin findings can range from subtle to pronounced and often overlap with other conditions, making diagnosis challenging. Histopathologic features are frequently nonspecific, requiring careful correlation with clinical presentation to ensure accurate identification. Recognizing these cutaneous signs is essential for timely diagnosis and management of the associated systemic diseases. Providing patient-centered care for individuals with metabolic and storage disorders affecting the skin requires collaboration among healthcare professionals, including clinicians, advanced practice practitioners, pharmacists, and other healthcare providers. Dermatopathologists should collaborate with dermatologists, primary providers, and other clinicians to understand the clinical scenario. Involving the entire interprofessional healthcare team allows for improved patient-centered care. A strategic approach to managing these disorders is essential, incorporating evidence-based treatment plans while minimizing potential adverse effects. Ethical considerations, such as informed consent and respect for patient autonomy, should guide all decision-making processes. Each healthcare professional must know their responsibilities and contribute their unique expertise to the patient's care plan, fostering an interprofessional approach. Effective interprofessional communication is paramount, allowing seamless information exchange and collaborative decision-making among the team members. Care coordination ensures that the patient's journey from diagnosis to treatment and follow-up is well-managed, optimizing outcomes.