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《鬼遗方》云∶正脑上一处起为脑痈及脑疽，脑铄并在大椎骨上，入发际生。
王肯堂曰∶脑痈皮起，易得破穴，急破急出脓不害。脑疽皮浓，难得破穴，须
急发内毒，使破穴方可。脑铄一处初起如横木掘，上起顶门，下止大椎，发肿如火
烧，其色青黑如靴皮，大硬不见脓，即损外皮，如犬咬去肉之迹，难愈。（《准绳》）
《灵枢经》云∶阳气大发，消脑溜项，名曰脑烁。其色不乐，脑项如刺以针，烦心者死，不可治。
薛立斋曰∶脑属足太阳膀胱经积热，或湿毒上涌，或阴虚火炽，或肾水亏损，阴精消涸，始成疽也。
陈远公曰∶有生疽于头顶者，始名脑疽。若对口偏对口，俱非真脑疽也。此疽
九死一生，大约生此疽者，皆肾火沸腾也。脑为髓海，通于肾，肾无火则髓不能化精，
肾多火髓亦不能化精，不但不化精，而随火升降，且化为毒以生痈疽矣。盖肾之化
精，必得脑中之气以相化，若脑中无非肾火，势必气化为火，火性炎上，不及下降，
即于脑中髓海自发其毒，较之脑气不流而为毒者更甚。故往往有更变形容，改换声
音，疮形紫黑，烦躁口干，甚至脑骨俱腐，片片脱下，野狼狈之状，不可言语形容者，又
何以救之耶！此证须问饮食若何，倘饮食知味，即可用药。名曰五圣丹∶金银花八
两，玄参、麦冬各三两，黄 四两，人参二两。水煎服，四剂渐愈，改用十全大补
汤，重四两，服四剂，又改用八味地黄汤，恣其酣饮，自可痊愈矣。此救九死一生之
法，然舍此实无第二法也。此疽得于房术者居多，兴阳涩精，俱是丹石燥烈之品，霸
阻精道，日积月累，真阴枯烁，髓竭火发，遂至溃顶而不可救，人又何苦博女子之欢，丧千金之命耶！（《冰鉴》）
窦汉卿曰∶脑疽若色黯不溃，或溃而不敛，乃阴精消涸，名曰脑烁，为不治。（《全书》）
自脑后、肩脊、背腹痈疽，皆汇于此部中，以便检阅参治。
（凡生于脑后、肩脊、背部及腹部的痈疽，都汇集在这一部分中，以便于查阅和参考治疗。）
脑疽
《鬼遗方》云∶正脑上一处起为脑痈及脑疽，脑铄并在大椎骨上，入发际生。
《鬼遗方》说：在头顶正中央一处发起的称为脑痈和脑疽；脑铄则发生在大椎骨上方，进入头发边缘处生长。
王肯堂曰∶脑痈皮起，易得破穴，急破急出脓不害。脑疽皮浓，难得破穴，须急发内毒，使破穴方可。脑铄一处初起如横木掘，上起顶门，下止大椎，发肿如火烧，其色青黑如靴皮，大硬不见脓，即损外皮，如犬咬去肉之迹，难愈。（《准绳》）
王肯堂说：脑痈皮肤隆起，容易形成溃破点，迅速刺破让脓液排出就不会有危害。脑疽皮肤厚实，难以形成溃破点，必须急于发散内部毒素，使其形成溃破点才可以。脑铄起初像横向挖掘的木头一样，向上从百会穴开始，向下到大椎穴结束，肿胀如同火烧，颜色青黑像靴子的皮，非常坚硬且看不到脓头，随即损伤外皮，痕迹像被狗咬掉肉一样，难以痊愈。（出自《医学准绳六要》）
《灵枢经》云∶阳气大发，消脑溜项，名曰脑烁。其色不乐，脑项如刺以针，烦心者死，不可治。
《灵枢经》说：阳气过度亢盛，消耗脑部并流注于颈部，称为脑烁。患者面色抑郁不乐，头脑和颈部感觉像被针刺一样疼痛，心中烦躁不安的会死亡，无法治愈。
薛立斋曰∶脑属足太阳膀胱经积热，或湿毒上涌，或阴虚火炽，或肾水亏损，阴精消涸，始成疽也。
薛立斋说：脑部病变属于足太阳膀胱经积聚的热邪，或者是湿毒向上冲涌，或者是阴虚导致火气旺盛，或者是肾水亏损，阴精枯竭，这才形成疽证。
陈远公曰∶有生疽于头顶者，始名脑疽。若对口偏对口，俱非真脑疽也。此疽九死一生，大约生此疽者，皆肾火沸腾也。脑为髓海，通于肾，肾无火则髓不能化精，肾多火髓亦不能化精，不但不化精，而随火升降，且化为毒以生痈疽矣。盖肾之化精，必得脑中之气以相化，若脑中无非肾火，势必气化为火，火性炎上，不及下降，即于脑中髓海自发其毒，较之脑气不流而为毒者更甚。故往往有更变形容，改换声音，疮形紫黑，烦躁口干，甚至脑骨俱腐，片片脱下，野狼狈之状，不可言语形容者，又何以救之耶！此证须问饮食若何，倘饮食知味，即可用药。名曰五圣丹∶金银花八两，玄参、麦冬各三两，黄芩四两，人参二两。水煎服，四剂渐愈，改用十全大补汤，重四两，服四剂，又改用八味地黄汤，恣其酣饮，自可痊愈矣。此救九死一生之法，然舍此实无第二法也。此疽得于房术者居多，兴阳涩精，俱是丹石燥烈之品，霸阻精道，日积月累，真阴枯烁，髓竭火发，遂至溃顶而不可救，人又何苦博女子之欢，丧千金之命耶！（《冰鉴》）
陈远公说：只有在头顶生出疽证的，才称为脑疽。如果是位于后颈正中（对口疽）或偏向一侧（偏对口疽），都不是真正的脑疽。这种疽证死亡率极高，十个人里只有一个人能活下来，大概患上这种疽证的人，都是因为肾火沸腾所致。脑是髓海，与肾相通，肾如果没有火，髓就不能转化为精；肾火过多，髓也不能转化为精。不仅不能化精，反而随着火势上下波动，并且转化为毒素从而产生痈疽。这是因为肾脏转化精气，必须得到脑中气的配合才能完成转化。如果脑中全是肾火，必然导致气转化为火，火的性质是向上燃烧的，来不及下降，就会在脑中的髓海自行发出毒性，这比脑气停滞不畅而化为毒的情况更为严重。所以患者往往会出现容貌改变、声音变异，疮口形状呈紫黑色，烦躁口渴，甚至脑骨全部腐烂，一片片脱落，景象凄惨狼狈，无法用语言形容，这时候又有什么办法来救治呢！诊治此证必须询问患者的饮食情况，如果饮食还能品尝出味道，就可以用药。方名叫五圣丹：金银花八两，玄参、麦冬各三两，黄芩四两，人参二两。用水煎煮服用，服用四剂后病情逐渐好转，然后改用十全大补汤，剂量加重至四两，再服用四剂，接着改用八味地黄汤，让其尽情饮用，自然可以痊愈。这是挽救九死一生局面的方法，然而除了这个方法确实没有第二种办法了。这种疽证大多是因为使用房中术导致的，那些壮阳固精的药物，都是丹砂矿物等燥热猛烈之物，霸道地阻塞精道，日复一日积累下来，导致真阴干枯烧灼，髓液耗尽而虚火爆发，最终导致头顶溃烂而无法救治，人们何必为了博取女子的欢心，而丧失宝贵的生命呢！（出自《石室秘录》）
窦汉卿曰∶脑疽若色黯不溃，或溃而不敛，乃阴精消涸，名曰脑烁，为不治。（《全书》）
窦汉卿说：脑疽如果颜色暗滞且不溃破，或者溃破后却不收敛，这是阴精枯竭的表现，称为脑烁，属于无法治愈的绝症。（出自《外科正宗》或相关全书汇编）
From the back of the head, shoulders, spine, back, and abdomen, carbuncles and sores are all gathered in this section for easy reference and treatment consultation.
Brain Carbuncle (Nao Ju)
According to *Gui Yi Fang* (The Book of the Ghost's Legacy): A lesion arising at a single point on the top center of the head is called Brain Carbuncle (Nao Yong) or Brain Sore (Nao Ju). Brain Shattering (Nao Shuo) occurs above the Dazhui bone (GV14), extending into the hairline.
Wang Kentang stated: In Brain Carbuncle (Nao Yong), the skin rises and easily forms a rupture point; if punctured promptly to drain pus, it causes no harm. In Brain Sore (Nao Ju), the skin is thick, making it difficult to form a rupture point; one must urgently promote the expulsion of internal toxins to allow for rupture. Brain Shattering (Nao Shuo) initially resembles a horizontally dug log, starting from the Baihui point (GV20) at the vertex and ending at the Dazhui point (GV14). The swelling feels like burning fire, with a color resembling dark leather boots, appearing very hard without visible pus. It soon damages the outer skin, leaving marks similar to those of a dog bite removing flesh, and is difficult to heal. (*Yixue Zhunsheng*)
According to *Ling Shu Jing* (Spiritual Pivot): When Yang Qi becomes excessively hyperactive, consuming the brain and flowing down the neck, it is named Brain Shattering (Nao Shuo). The patient appears depressed and unhappy. If the head and neck feel as if pierced by needles, accompanied by mental restlessness, death ensues, and it is incurable.
Xue Lizhai stated: Lesions in the head belong to accumulated heat in the Foot-Taiyang Bladder Meridian, or damp-toxicity surging upward, or Yin deficiency with blazing fire, or depletion of Kidney Water and exhaustion of Yin Essence, which eventually forms a sore.
Chen Yuangong stated: Only when a sore arises on the top of the head is it named Brain Sore (Nao Ju). Those located centrally on the back of the neck (Duikou) or off-center (Pian Duikou) are not true Brain Sores. This condition has a mortality rate of nine out of ten, with only one survivor. Generally, those suffering from this sore have boiling Kidney Fire. The brain is the Sea of Marrow, connected to the Kidneys. If the Kidneys lack Fire, Marrow cannot transform into Essence; if there is too much Fire, Marrow also cannot transform into Essence. Not only does it fail to transform into Essence, but it fluctuates with the Fire and transforms into toxicity, generating carbuncles and sores. The transformation of Essence by the Kidneys requires the Qi of the brain to assist. If the brain contains nothing but Kidney Fire, Qi inevitably transforms into Fire. Since Fire nature flares upward and fails to descend, toxicity spontaneously generates within the Sea of Marrow in the brain. This is more severe than cases where stagnant brain Qi transforms into toxicity. Consequently, patients often undergo changes in appearance and voice, with lesions turning purple-black, accompanied by irritability and dry mouth. In extreme cases, the cranial bones rot and peel off in pieces, presenting a wretched state indescribable by words. How can such a case be saved? For this syndrome, one must inquire about the patient's diet. If they can still taste their food, medication can be administered. The formula is named Wusheng Dan (Five Saints Pill): 8 liang of Lonicerae Japonicae Flos (Jinyinhua), 3 liang each of Scrophulariae Radix (Xuanshen) and Ophiopogonis Radix (Maidong), 4 liang of Scutellariae Radix (Huangqin), and 2 liang of Ginseng Radix et Rhizoma (Renshen). Decoct in water and take orally. After four doses, the condition will gradually improve. Then switch to Shiquan Dabu Tang (Ten Complete Tonifying Decoction), increasing the dose to 4 liang, taken for four doses. Subsequently, switch to Bawei Dihuang Wan (Eight-Ingredient Rehmannia Pill), allowing liberal consumption, and recovery will naturally occur. This is the method to save the dying from this critical condition; indeed, there is no second method. Most cases of this sore arise from the misuse of sexual techniques. Aphrodisiacs and astringents are all caustic and hot mineral substances that aggressively block the essence pathways. Accumulated over time, True Yin dries up, Marrow exhausts, and Fire erupts, leading to ulceration of the vertex that is incurable. Why should people endure hardship merely to please women, sacrificing precious lives? (*Shishi Milu*)
Dou Hanqing stated: If a Brain Sore (Nao Ju) appears dark and does not ulcerate, or ulcerates but fails to heal, it indicates the exhaustion of Yin Essence, named Brain Shattering (Nao Shuo), which is incurable. (*Quan Shu*)