n.卟啉症，卟啉病， 紫质症 (引发精神症状和皮肤对光过敏的血液病)

Porphyria cutanea tarda is an uncommon subtype of porphyria that affects the skin.
翻译：迟发性皮肤卟啉病是卟啉症的一种罕见亚型，主要影响皮肤。
Acute intermittent porphyria can cause severe abdominal pain and neurological symptoms.
翻译：急性间歇性卟啉病可引起严重的腹部疼痛和神经系统症状。
Porphyrias are a group of inherited metabolic disorders resulting from abnormalities in heme biosynthesis.
翻译：卟啉症是一组由于血红素生物合成异常导致的遗传性代谢紊乱疾病。
The patient was diagnosed with variegate porphyria, which caused her sensitivity to sunlight.
翻译：患者被诊断为变异性卟啉病，这使她对阳光敏感。
A genetic test confirmed that the patient had a mutation linked to erythropoietic protoporphyria.
翻译：基因检测证实了该患者存在与红细胞生成性原卟啉病相关的突变。
Symptoms of porphyria may be triggered by certain medications or dietary changes.
翻译：某些药物或饮食变化可能会引发卟啉症的症状。
Avoiding alcohol and barbiturates is often recommended for patients with acute porphyria.
翻译：通常建议急性卟啉症患者避免饮酒和使用巴比妥类药物。
Porphyria testing involves analyzing urine, blood, and stool samples for excess porphyrins.
翻译：卟啉症检测包括分析尿液、血液和粪便样本以检测是否存在过量卟啉。
In some cases of porphyria, phototherapy might be used to alleviate the photosensitivity.
翻译：在某些卟啉症病例中，光疗可能用于缓解光过敏症状。
Dietary supplementation with carbohydrates may help prevent attacks in individuals with a predisposition to porphyria.
翻译：对于有卟啉症倾向的个体来说，补充碳水化合物饮食可能有助于防止病情发作。