Skin and subcutaneous (L00-L99).
- Hidradenitis suppurativa – misleading term because the disease does not originate from sweat glands but from sebaceous glands and terminal hair follicles; chronic, inflammatory disease at terminal follicles of skin envelope folds that can lead to marked scarring and disability [to be excluded at stage III].
Infectious and parasitic diseases (A00-B99).
- Actinomycosis (radiation mycosis) [to be excluded at stage III].
- Bartonellosis (cat disease) – infectious disease occurring mainly in South America, caused by representatives of the genus Bartonella and often lethal (fatal) [to be excluded at stage II].
- Filarioses (synonym: filariasis) – various diseases resulting from infection with parasitic nematodes, filariae (representatives of the Filarioidea) [to be excluded at stage III].
- Granuloma inguinale (GI; synonyms: granuloma venereum, donovanosis) – tropical sexually transmitted infection (“sexually transmitted infections”, STI) caused by the bacterium Calmmatobacterium granulomatis, which is primarily accompanied by ulcers (ulcers) (English “genital ulcer disease”, GUD) [to be excluded at stage I].
- Genital herpes – sexually transmitted disease caused by the herpes virus [to be excluded at stage I + II].
- Schistosomiasis (bilharzia) – worm disease caused by trematodes (sucking worms) of the genus Schistosoma (couple flukes) [to be excluded at stage II].
- Syphilis – sexually transmitted disease [to be excluded at stage II]
- Tuberculosis (consumption) [to be excluded at stage II + III]
- Tularemia (rabbit plague) [to be excluded at stage II]
- Ulcus molle (soft chancre) – tropical sexually transmitted infections (“STI”), which is primarily associated with ulcers (ulcers) (English “genital ulcer disease”, GUD) [to be excluded at stage I + II].
Circulatory system (I00-I99)
- Genital lymphedema [to be excluded in stage III]
Mouth, esophagus (food pipe), stomach, and intestines (K00-K67; K90-K93).
- Inguinal hernia (inguinal hernia/inguinal hernia) [to be excluded at stage II].
- Crohn’s disease – chronic inflammatory bowel disease; it usually progresses in relapses and can affect the entire digestive tract; characteristic is the segmental affection of the intestinal mucosa (intestinal mucosa), that is, several intestinal segments may be affected, which are separated from each other by healthy sections [to be excluded at stage I + III]
- Proctitis (rectal inflammation) [to be excluded in stage I]
Neoplasms – tumor diseases (C00-D48)
- Malignant lymphoma (cancer of the lymph nodes) – e.g. Hodgkin’s disease [to be excluded at stage II].
- Penile carcinoma (penile cancer) [to be excluded at stage III]
Genitourinary system (kidneys, urinary tract – sex organs) (N00-N99).
- Urethritis (inflammation of the urethra) [to be excluded at stage I].
