Peyronie's disease

Unnatural curvature of the penis which is noticeable during erection. May prevent complete erection. Western medicine says that plaque or scar tissue may be occurring inside the penis. May also cause pain, and may also make intercourse difficult.

Giovanni gives 4 patterns for this condition:

1. Blood Stasis in the Liver Channel
painful curvature of the penis, painful erection, hypogastric pain, painful urination, hypochondrial/abdominal pain, purple nails and lips, purple or dark complexion, tongue: purple, Pulse: wiry
2. Dampness in the Low Jiao with Blood Stasis in the Liver Channel
painful curvature of penis, painful erection, swelling and hardening under the skin of the penis, a feeling of heaviness and fullness of the lower abdomen, urethral discharge, hypogastric pain, painful urination, hypochondrial/abdominal pain, purple nails and lips, purple or dark complexion, tongue: purple with sticky coat, pulse: wiry slippery or firm slippery.
3. Blood Stasis in the Liver Channel with Kidney Yang Vacuity
curvature of the penis, soft erection, hypogastric pain, painful urination, hypochondriac/abdominal pan, purple nails and lips, purple or dark complexion, lower backache, cold knees, a feeling of cold, bright white complexion, weak knees, tiredness, lassitude, abundant clear urination, urination at night, impotence, decreased libido, tongue: pale wet with purple sides, pulse: deep weak.
4. Cold in the Liver Channel with Blood Stasis
painful curvature of the penis, painful erection, straining of the testis, or contraction of the scrotum, fullness and distension of the hypogastrium, with pain which refers downwards to the scrotum and testis and upwards to the hypochondrium, alleviation of the pain by warmth, vertical headache, feeling of cold, cold hands and feet, vomiting of clear watery fluids or dry vomiting, hypochondrial/abdominal pain, purple nails and lips, purple dark complexion, tongue: blue-purple with white coat, pulse: deep wiry slow.

and I may add one to consider, Phlegm stagnation (plaque, and deformity).